Heather is planning to invest a constant amount of money at the end of every year for 15 years and then allow her money to accumulate interest for 15 more years without any additional deposits. If her investments earn 11% compounded annually and she must have $650,000 in 30 years, how much will she invest at the end of each of the next 15 years? What effective interest rate will Frankie have to earn if his investments of $2,000 at the end of every three months for 20 years are to have a maturity value in 20 years of $1,000,000 A life insurance company advertises that $50,000 will purchase a 20-year annuity paying 5402 80 at the end of each month. What effective rate of return does the annuity investment eam?