When Alfred Nobel died, he left the majority of his estate to fund five prizes, each to be awarded annually in perpetuity starting one year after he died (the sixth one, in economics, was added later). a. If he wanted the cash award of each of the five prizes to be $ and his estate could earn % per year, how much would he need to fund his prizes? b. If he wanted the value of each prize to grow by % per year (perhaps to keep up with inflation), how much would he need to leave? Assume that the first amount was still $. c. His heirs were surprised by his will and fought it. If they had been able to keep the amount of money you calculated in (b), and had invested it at % per year, how much would they have in 2014, 118 years after his death?

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When Alfred Nobel died, he left the majority of his estate to fund five prizes, each to be awarded annually in perpetuity starting one year after he died (the sixth one, in economics, was added later). a. If he wanted the cash award of each of the five prizes to be $33,000 and his estate could earn 7% per year, how much would he need to fund his prizes? b. If he wanted the value of each prize to grow by 6% per year (perhaps to keep up with inflation), how much would he need to leave? Assume that the first amount was still $33,000 c. His heirs were surprised by his will and fought it. If they had been able to keep the amount of money you calculated in (b), and had invested it at 7% per year, how much would they have in 2014, 118 years after his death?

a) total amount of prizes = $33,000 x 5 = $165,000

using the perpetuity formula, present value = annual payment / discount rate

money needed in trust fund = $165,000 / 0.07 = $2,357,142.86

b) we need to use the growing perpetuity formula:

money needed in trust fund = $165,000 / (0.07 - 0.06) = $165,000 / 0.01 = $16,500,000

c) future value = present value x (1 + r) = $16,500,000 x (1 + 7%)¹¹⁴ = $36,917.7 million

the answer is d

explanation: