Unit 2: Time value of money & risk management
Personal Financial Planning notes · PTU syllabus (BBA 621-18)
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Unit summary
A rupee today is worth more than a rupee tomorrow — the time value of money underlies every saving and borrowing decision. This unit covers present and future value calculations, factors affecting time value, personal financial statements, identifying and measuring personal risks, and life and general insurance planning.
After this unit you can
- Calculate future value and present value of a sum and an annuity
- Explain factors affecting the time value of money
- Prepare a personal balance sheet and cash-flow statement
- Identify personal risks and plan life and general insurance cover
PTU syllabus topics
- Meaning and calculation of present and future value
- factors affecting time value of money and personal financial statements
- personal risk measurement and identification
- life and general insurance planning
Future value
FV = PV × (1 + r)^n
Present value
PV = FV / (1 + r)^n
Rule of 72
Years to double ≈ 72 / interest rate
Net worth
Total assets − total liabilities
Topic 1
Time value of money
Time value of money (TVM) means a sum of money received today is worth more than the same sum in future, because it can be invested to earn a return. Reasons: earning opportunity, inflation, risk and uncertainty, and preference for present consumption.
Future value (lump sum)
FV = PV × (1 + r)^n
Present value (lump sum)
PV = FV ÷ (1 + r)^n
FV with m compounding periods
FV = PV × (1 + r/m)^(m × n)
FV of an annuity
FVA = A × [((1 + r)^n − 1) ÷ r]
PV of an annuity
PVA = A × [(1 − (1 + r)^−n) ÷ r]
Rule of 72
Years to double ≈ 72 ÷ interest rate %
Example
₹1,00,000 invested at 8% for 5 years: FV = 1,00,000 × (1.08)^5 = 1,00,000 × 1.4693 = ₹1,46,933.
Example
PV of ₹5,00,000 needed after 10 years at 10%: PV = 5,00,000 ÷ (1.10)^10 = 5,00,000 ÷ 2.5937 = ₹1,92,772.
Example
SIP of ₹1,000 at year-end for 3 years at 10%: FVA = 1,000 × [(1.331 − 1) ÷ 0.10] = 1,000 × 3.31 = ₹3,310.
Exam tip
Show the formula, substitution and final answer with units — most marks in TVM numericals are for method.
Topic 2
Factors affecting time value of money
- Rate of interest/return: higher rate increases future value and reduces present value.
- Time period: longer horizon magnifies compounding.
- Frequency of compounding: monthly compounding gives more than annual.
- Inflation: reduces the real value of future money.
- Risk: riskier cash flows are discounted at higher rates.
- Liquidity preference: people prefer cash now.
Topic 3
Personal financial statements
Shows
What you own and owe at a point in time
Money in and out over a period
Key result
Net worth = Assets − Liabilities
Surplus or deficit = Income − Expenses
Items
House, car, savings, investments; loans, card dues
Salary, rent, interest; groceries, EMIs, fees
Personal financial ratios
Liquidity ratio
Liquid assets ÷ Monthly expenses (target: 3–6)
Savings ratio
Savings ÷ Gross income (target: 20%+)
Debt-to-income ratio
Monthly EMIs ÷ Monthly income (keep below 40%)
Solvency ratio
Net worth ÷ Total assets
Example
Assets: house ₹40 lakh, car ₹5 lakh, mutual funds ₹6 lakh, bank ₹1 lakh = ₹52 lakh. Liabilities: home loan ₹25 lakh, car loan ₹2 lakh = ₹27 lakh. Net worth = ₹25 lakh.
Topic 4
Personal risk measurement and identification
Personal (life) risks
Premature death, disability, illness, old age (outliving savings)
Property risks
Fire, theft, flood, damage to home or vehicle
Liability risks
Legal claims for harm caused to others
Income risks
Job loss, business failure
Risk management process
- 1Identify risks
- 2Measure risk
Probability × severity
- 3Choose method
Avoid, reduce, retain, transfer
- 4Implement
Buy insurance, build fund
- 5Review
- Avoid: do not undertake the risky activity.
- Reduce: safety measures (smoke detectors, healthy lifestyle).
- Retain: bear small losses yourself (emergency fund).
- Transfer: shift to an insurer by paying a premium — best for low-probability, high-severity risks.
Topic 5
Life and general insurance planning
Life insurance
- Human Life Value (HLV) method: cover = present value of future income the family would lose.
- Need-based method: cover = future expenses + outstanding loans + goals − existing assets.
- Rule of thumb: cover of 10–15 times annual income.
| Policy | Feature |
|---|---|
| Term plan | Pure protection, lowest premium, no maturity benefit |
| Endowment | Insurance + savings; maturity benefit |
| Whole life | Cover up to age 99/100 |
| Money-back | Periodic payouts during the term |
| ULIP | Insurance + market-linked investment |
Exam tip
Financial planners usually recommend a term plan + separate investments for adequate cover at low cost.
General insurance
- Health insurance: hospitalisation costs; family floater; deduction under Section 80D.
- Motor insurance: third-party cover is compulsory under the Motor Vehicles Act; comprehensive covers own damage too.
- Home insurance: structure and contents against fire, theft, natural disasters.
- Travel and personal accident insurance.
Principles of insurance: utmost good faith, insurable interest, indemnity (not for life), contribution, subrogation, proximate cause.
Key terms
- Time value of money
- A rupee today is worth more than a rupee in future
- Annuity
- A series of equal payments at regular intervals
- Net worth
- Total assets minus total liabilities
- Term insurance
- Pure life cover without maturity benefit
- Human Life Value
- Present value of future income a family would lose on the earner's death
Quick revision
- FV = PV(1 + r)^n; PV = FV ÷ (1 + r)^n.
- Rule of 72: years to double ≈ 72 ÷ rate.
- Balance sheet → net worth; cash-flow → surplus.
- Risk methods: avoid, reduce, retain, transfer.
- Life cover via HLV or need-based; term plans give maximum cover at least cost.
Important exam questions
Practice questions written to the PTU exam pattern for this unit's syllabus: short answers (Section A style) and long answers (Sections B and C style).
Short-answer questions
- Q1.What is time value of money?
- Q2.State the Rule of 72.
- Q3.Calculate FV of ₹10,000 at 10% for 2 years.
- Q4.What is net worth?
- Q5.What is Human Life Value?
- Q6.Name four principles of insurance.
Long-answer questions
- Q1.Explain the concept of time value of money and the factors affecting it with examples.
- Q2.Explain present value and future value of a lump sum and an annuity with numericals.
- Q3.Explain the preparation of personal financial statements and ratios.
- Q4.Discuss personal risk management and life and general insurance planning.
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