#5,9

Find the average daily balance for the following credit-card accounts. Assume the billing date is the same day in each month, and use the number of days in each month. Then find the finance charge if interest is 1.5% per month on the average daily balance. (See Example 1.) Finally, find the balance at the end of the billing cycle. Previous balance $139.56 September 12 Billing date September 20 Payment CR S45 September 21 CDs $37.25 Previous balance $412.48 November 5 Billing date November 18 Payment CR $150 November 30 Dinner and play $84.50 Previous balance $2737.28 May 4 Billing date May 15 Payment CR May 19 Airline ticket S303 Previous balance $228.95 January 27 Billing date February 9 Cheese $11.08 February 13 Returns CR $26.54 February 20 Payment CR $29 February 25 Repairs $71.19 Previous balance $938.34 June 11 Billing date June 15 Returns CR $319.35 June 20 Jewelry $347.19 June 24 Car rental $222.57 July 3 Payment CR $345 Previous balance $355.72 March 29 Billing date March 31 Returns CR $209.53 April 2 Cleaning supplies $28.76 April 10 Gasoline $14.80 April 12 Returns CR $63.54 April 13 Returns CR $11.71 April 20 Payment CR $72 April 21 Flowers $29.72