Solve the problem. For problems 7) and 8) assume that each credit card account has one month between billing dates (with the appropriate number of days) and interest of 1.3% per month on the average daily balance. Find a) the average daily balance b) the monthly finance charge C) the account balance for the next billing 7) Consider 31-day billing period Previous balance: $514.79 January 27 Billing date February 9 Candy $11.08 February 13 Retums $26.54 February 20 Payment $59.00 February 25 Repairs $71.19 8) Consider 30-day billing period. Previous balance: $642.42 June 11 Billing date June 15 Returns June 20 Jewelry June 24 Car rental July 3 Payment July 6 Flowers $106.45 $115.73 $74.19 $115.00 $68.49