Sally makes deposits into a retirement account every year from the age of 30 until she retires at age 65. a) If Sally deposits $1200 per year and the account earns interest at a rate of 7% per year, compounded annually, how much does she have in the account when she retires? b) How much of that total amount is from Sally's deposits? How much is interest? a) Sally will have $ in the account when she retires. (Round to the nearest cent as needed.) b) Of the total amount, $ is from Sally's deposits and $ is from interest. (Round to the nearest cent as needed.)