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) Nico establishes 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).