Please show all work.

Leon and Heidi decided to invest $3,250 annually for only the first eight years of their marriage. The first payment was made at age 20 . If the annual interest rate is 12%, how much accumulated interest and principal will they have at age 70 ? Click the icon to view the interest and annuity table for discrete compounding when i=12% per year. The accumulated interest and principal will equal \$ (Round to the nearest dollar.)