10. You have the opportunity to buy a perpetuity which pays $1,000 annually. Your required rate of return on this investment is 15 percent. You should be essentially indifferent to buying or not +-buying the investment if it were offered at a price of (a) $5,000.00 (b) $6,000.00 (C) $6,666.67 (d, $7,500.00 (e) $8,728.50