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CMA Final · Entrepreneurship and Startup

Idea to Action: formula sheet

Full chapter guide

Key formulas

Core elements of entrepreneurship
Opportunity + Resources + Risk-taking + Innovation = Venture creation
A memory aid, not a mathematical formula. Use it to structure definition answers.
Entrepreneur vs manager (main contrasts)
Entrepreneur: creates, owns, bears risk, seeks profit and growth | Manager: runs, is employed, shares limited risk, earns salary
Compare on the same parameters for each side: purpose, risk, reward, approach, ownership, time horizon.
Traits vs skills
Traits = personal qualities | Skills = learned abilities
Do not mix them. Persistence is a trait. Bookkeeping is a skill.
Idea versus opportunity
Opportunity = Idea + Real customer need + Ability to deliver + Viable return
A memory aid, not a statutory formula. Use it to explain why not every idea is an opportunity.
SCAMPER
Substitute, Combine, Adapt, Modify, Put to other use, Eliminate, Reverse (or Rearrange)
Some texts say Modify/Magnify/Minify and Reverse/Rearrange. Use the version in your study material.
Weighted screening score
Score = Σ (weight × rating) for each criterion
Weights should total 100% or 1. Choose the idea with the highest score, if it also passes the must-have criteria.
Creativity versus innovation
Innovation = Creativity + Implementation
Use this when a question asks you to distinguish the two.
Four feasibility studies
Feasibility = Market + Technical + Financial + Legal
Name all four in an answer. An idea can be weak in one area and still be rescued, but a failure in one area may stop the project.
Payback period (simple)
Payback period = Initial investment ÷ Annual net cash inflow
Use only when yearly cash inflows are equal. Shorter payback means lower risk.
Break-even units
Break-even units = Fixed costs ÷ (Selling price per unit − Variable cost per unit)
Shows how many units must be sold to cover costs. Compare it with realistic market demand.
Simple ROI
ROI = (Annual net profit ÷ Investment) × 100
A quick financial feasibility check. It ignores time value of money.
Fit sequence
Problem-solution fit → MVP → Product-market fit
Do not claim product-market fit before customers are actually buying and repeating.
BMC nine blocks
Customer Segments, Value Propositions, Channels, Customer Relationships, Revenue Streams, Key Resources, Key Activities, Key Partnerships, Cost Structure
Revenue side is customers, value, channels, relationships, revenue. Operations side is resources, activities, partners, costs.
Lean Canvas nine blocks
Problem, Customer Segments, Unique Value Proposition, Solution, Channels, Revenue Streams, Cost Structure, Key Metrics, Unfair Advantage
Four blocks differ from BMC: Problem, Solution, Key Metrics, Unfair Advantage.
Unit profitability check
Contribution per unit = Price per unit − Variable cost per unit
Use it to test whether a revenue model can cover the cost structure.
Customer economics check
Customer Lifetime Value (LTV) ÷ Customer Acquisition Cost (CAC)
A higher ratio shows healthier economics. A common rule of thumb is about 3 or more, but it is not a fixed law.
Build-Measure-Learn cycle
Build (MVP) → Measure (metrics) → Learn (persevere / pivot / stop) → repeat
Aim to shorten the time taken to go once around the loop.
Core business plan components
Executive summary + Problem/Solution + Market + Competition + Marketing + Operations + Team + Financials + Funding ask + Risks
Use this as a checklist for any 'prepare a business plan' question.
MVP test rule
MVP = smallest build that tests the riskiest assumption
State the assumption, the test and the success measure.
Break-even units
Break-even units = Fixed costs ÷ (Selling price per unit − Variable cost per unit)
Useful in the financial section of the plan to show viability.
Post-money valuation
Post-money valuation = Pre-money valuation + New investment
Pre-money is the value before the investor puts money in.
Investor's equity stake
Stake % = New investment ÷ Post-money valuation × 100
Use post-money, not pre-money, in the denominator.
Founders' holding after a round
Founders' new % = Old % × (1 − Stake % of new investor)
Shows dilution when new shares are issued. Assumes no other changes, such as an option pool.
Stage-to-source match
Idea: bootstrapping/angels → Seed: angels, incubators → Series A: VCs → Later rounds: VCs, private equity, venture debt
A general guide, not a fixed rule. Sources overlap in practice.
Liability rule
Proprietorship / general partnership = unlimited liability; LLP / OPC / company = limited liability
Limited liability means the owner's loss is generally limited to capital contributed or shares held.
Structure choice test
Choice = liability + funding need + tax + control + compliance cost
Use these five factors to justify any recommendation.
Investor-readiness rule
Equity shares can be issued only by a company
An LLP or partnership cannot issue shares, so equity investors usually prefer a private limited company.
DPIIT eligibility pattern
Eligible entity type + within age limit + within turnover limit + not formed by splitting up or reconstructing an existing business + working on innovation or scalable model
State the conditions in this pattern and confirm the exact limits from the current notification.
IP protection map
Invention → patent; brand → trademark; code and content → copyright; appearance → design
Confidential know-how is protected through trade secret and non-disclosure agreements.
Customer Acquisition Cost (CAC)
CAC = Total sales and marketing spend ÷ Number of new customers acquired
Use the same period for spend and customers.
Customer Lifetime Value (LTV)
LTV = Average revenue per customer per period × Gross margin % × Customer lifetime in periods
Equivalent form: margin per period ÷ churn rate per period.
LTV to CAC ratio
LTV ÷ CAC
A ratio of about 3 or more is often used as a rule of thumb. It is not a fixed law.
CAC payback period
CAC ÷ (Monthly revenue per customer × Gross margin %)
Gives months to recover the acquisition cost.
Net burn rate
Net burn = Cash outflows − Cash inflows per month
Gross burn is total monthly spending only.
Runway
Runway (months) = Cash balance ÷ Net monthly burn
Assumes burn stays constant.
Churn rate
Churn % = Customers lost in period ÷ Customers at start of period × 100
Average lifetime = 1 ÷ churn rate.

Quick revision

  • The chapter follows one chain: mindset, idea, opportunity, validation, model, plan and MVP, funding, launch, scale, exit.
  • An idea becomes an opportunity only when there is a real customer need that can be served profitably.
  • Validate before you build: talk to customers and test assumptions early.
  • Feasibility analysis checks whether the idea can work, for example on market, technical, financial and operational grounds.
  • A lean canvas is a one-page model of problem, customer segments, value proposition, solution, channels, revenue, costs and key metrics.
  • A business plan is a fuller document for planning and for convincing investors; the canvas is a quick working sketch.
  • An MVP is the simplest version of the product that lets you test key assumptions with real users.
  • Match the funding source to the stage and need; each source has a cost in money, control or both.
  • Choose the legal structure with funding, liability, taxation and compliance in mind, and meet registration and filing duties on time.
  • Growth needs systems, people and cash, not only more sales.
  • Plan exit routes early, such as sale to another company, a public listing or a buyback, since investors expect them.
  • In case answers, link every point to the facts given and end with a recommendation.

Common mistakes

  • Treating every business owner as an entrepreneur. Fix: An entrepreneur innovates or creates new value. An owner who simply runs a routine business is closer to a business manager.
  • Writing that entrepreneurs love risk and take any risk. Fix: Write calculated risk-taking: they assess, limit and plan for the downside.
  • Treating idea and opportunity as the same thing. Fix: Always state that an opportunity needs a proven customer need, ability to deliver and viable return.
  • Listing sources or techniques without applying them to the case. Fix: Link each point to a fact in the scenario, in one sentence each.
  • Covering only market and finance and ignoring technical and legal feasibility. Fix: Always write all four studies, even a line each, and use case facts for each.
  • Treating friends' and family's praise as validation. Fix: Prefer evidence of behaviour: pre-orders, paid pilots, repeat use. Interview real target customers about past behaviour.
  • Treating business model and business plan as the same thing. Fix: Say the model is the logic of value creation and earning. The plan is the detailed document for execution and funding.
  • Listing BMC blocks without applying them to the case. Fix: Fill each block with facts from the case, using the case's own names and figures.
  • Treating an MVP as a cheap, low-quality final product. Fix: Say an MVP has the core features needed to test one assumption, and is built to learn, not to launch fully.
  • Listing plan headings without applying them to the case. Fix: Add one line per component showing what it would say for this business.

Exam tips

  • In the 2-mark MCQs, expect trait identification from a short behaviour. Match the action to one trait before reading the options.
  • In case-based answers, quote the evidence with each trait. A bare list earns little.
  • Prepare a ready five-point entrepreneur vs manager comparison. It is a frequent written question.
  • Always say calculated risk and that the mindset can be developed. Examiners look for these.
  • Keep traits and skills in separate lists and use the correct word for each.
  • Define idea and opportunity in the first two lines. Examiners reward the distinction.
  • In case questions, name the source or technique and tie it to a fact in the case.
  • Learn SCAMPER, brainstorming and mind mapping well, as they are easy to apply.