IRAS. Lisa and Mark married at age 20. Each year until their 35th birthdays, they put $2,900 into their traditional IRAS. By age 35, they had bought a home and started a family. Although they continued to make contributions to their employer-sponsored retirement plans, they made no more contributions to their IRAS. If they receive an average annual retum of 4%, how much will they have in their IRAs by age 707 What was their total investment? If they receive an average annual return of 4%, the amount they will have in their IRAs by age 70 is $ (Round to the nearest dollar)