30) A wealthy industrialist wishes to establish a $2,000,000 trust fund which will provide income for his
grandchild into perpetuity. He stipulates in the trust agreement that the principal may not be distributed.
The grandchild may only receive the interest earned. If the interest rate earned on the trust is expected to
be at least 7 percent in all future periods, how much income will the grandchild receive each year?
31) Rachel takes out a seven-year, 8 percent loan with a bank requiring annual end–of-year payments of
$960.43. Calculate the original principal amount.
32) A lottery administrator has just completed the state’s most recent $50 million lottery. Receipts from
lottery sales were $50 million and the payout will be $5 million at the end of each year for 10 years. The
expenses of running the lottery were $800,000. The state can earn an annual compound rate of 8 percent
on any funds invested.
(a) Calculate the gross profit to the state from this lottery.
(b) Calculate the net profit to the state from this lottery (no taxes).
33) Jia has just won a $20 million lottery, which will pay her $1 million at the end of each year for 20
years. An investor has offered her $10 million for this annuity. She estimates that she can earn 10 percent
interest, compounded annually, on any amounts she invests. She asks your advice on whether to accept
or reject the offer. What will you tell her? (Ignore Taxes)