For the credit card account, assume one month between billing dates (with the appropriate number of days) and interest of 1.4 % per month on the average daily balance. Find (a) the average daily balance, (b) the monthly finance charge, and (c) the account balance for the next billing. Previous Balance: $487.75 January 12 Billing Date January 15 Returns January 20 Clothes January 25 Bus tickets February 2 Payment February 7 Flowers $103.68 $114.42 $73.56 $135 $65.38 (a) The average daily balance is $ (Round to the nearest cent as needed.)