Daniel, aged 52, has asked his planner to size the capital his wife Ruth would need if he died this year. After allowing for Ruth's own earnings and the household costs that would stop at his death, the shortfall she would have to fund is 58,500 dollars a year in today's money, needed for 30 years and drawn at the BEGINNING of each year. The portfolio is expected to earn 7 percent a year in nominal terms, inflation is assumed at 3 percent, and the planner instructs that a real rate of 4 percent a year be used for all discounting. Daniel has told the planner that the capital sum must be left intact for their disabled son at the end of the 30 years. On that instruction, what capital sum is required at the start of the income period?
- A1,052,047 dollars
- B1,011,584 dollars
- C835,714 dollars
- D1,462,500 dollars Correct
Why A is wrong: This is the capital liquidation answer, a 30 year annuity due at 4 percent. It is the correct method for a client happy to see the fund exhausted, but it leaves nothing at the end and so contradicts Daniel's instruction that the capital pass to his son.
Why B is wrong: This applies capital liquidation and also treats the withdrawals as arriving at the end of each year. It carries two errors: the fund is consumed rather than retained, and the stem states the withdrawals are taken at the beginning of each year.
Why C is wrong: This retains the capital but capitalises the income at the 7 percent nominal return rather than the 4 percent real rate. Drawing the full nominal return leaves nothing to reinvest for inflation, so the real value of both the income and the capital falls every year.
Why D is correct: Preserving the capital for the son means the income must be drawn from the return alone, which is the capital retention approach: 58,500 divided by the 4 percent real rate gives 1,462,500 dollars, and the principal survives the 30 years untouched.