A person wants to establish an annuity for retirement. He wants to make monthly deposits for 25 years into an ordinary annully that earns 7.58% compounded monthly. His goal is to have $386446.75 at the end of 25 years. (a) The amount that should be deposited each month in order to accumulate the required amount's [Note: Your answer is a dollar amount and should have a dollar sign and exactly two decimal places) (b) What is the total amount of Interest earned during the 25-year period? Totai Interest Earned INote: Your answer is a dollar amount and should have a dollar sign and exactly two decimal places.]