To attract new customers, EP Employees Credit Union advertised that they will begin paying 3% interest every quarter on all savings accounts. (Their competitors pay interest every 6 months.) The credit union uses March 31st, June 30th, September 30th, and December 31st as quarterly interest periods. Determine (a) The end-of period totals in the account, and (b) The interest paid each quarter on the total. Assume there are no withdrawals and that quarterly interest is not redeposited.

       Month .................................... Deposit, $
Jan ................................................. 50
Feb ................................................ 70
Mar ................................................. 0
Apr .............................................. 120
May ............................................... 20
June ................................................. 0
July .............................................. 150
Aug ............................................... 90
Sept ................................................ 0
Oct ................................................ 40
Nov ............................................. 110
Dec ................................................. 0