In order to accumulate enough money for a down payment on a house, a couple deposits $683 per month into an account paying 6% compounded monthly. (a) If payments are made at the end of each period, how much money will be in the account in 6 years? (b) How much interest will be earned during the 6 years? (c) Prepare a table showing the balance and interest for the first three months. (a) Type the amount in the account. $ (Round to the nearest dollar as needed.)