For the credit card account, assume one month between billing dates (with the appropriate number of days) and interest of 1.5% 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: $476.76

January 13 Billing Date

January 15 Returns $105.81

January 20 Clothes $133.20

January 27 Bus Tickets $69.76

February 4 Payment $135

February 7 Flowers $56.13