In order to have money for their son's college education, a young couple started a savings plan into which they made intermittent deposits. They started the account with a deposit of $3,000 (in year zero) and then added $8,000 in years two, five, six, and added $9,000 in year nine and ten. What is the amount they had in the account in year ten if they earned interest at 15% per year? $86,041.76 O $59,133.60 $85,006.72 O $58,347.28