Suppose a 40-year-old person deposits $12,000 per year in an Individual Retirement Account until age 65. Find the total in the account with the following assumption of an interest rate. (Assume quarterly compounding, with payments of $3,000 made at the end of each quarter period.) Find the total amount of interest earned. 6%

a. The total in the account is $______-

(Round to the nearest cent as needed.)

b. The total amount of interest earned is $_______-

(Round to the nearest cent as needed.)