E CONSUMER MATHEMATICS Computing the average daily balance, interest, and balance for .. (a) Use wic credit card statement to help fill in the table below. Note that there are 31 days in August. Also, a purchase increases th payment decreases the unpaid balance. Date Transaction Transaction Unpaid Number of days at that balance Unpaid Number amount balance balance of days August 1 Beginning balance $2280.10 $2280.10 6 days (from August 1 through August 6) $13,680.60 August 7 Purchase $700.50 $2980.60 days (from August 7 through August 13) August 14 Payment $352.00 $ 6 days (from August 14 through August 19) S August 20 Purchase $840.46 $ 12 days (from August 20 through August 31) $0 Total: 31 days Total: $ X ? (b) Find the average daily balance. Write your answer to the nearest cent. (c) Suppose the credit card company charges an interest rate of 1.6% on the average daily balance for August found in part (b). How much interest will be charged? Write your answer to the nearest cent. Is (d) What will Miguel's beginning balance be for the month of September (including the interest for August found in part (c))? Explanation Check