The activity on Denise Hellings' Sears account for one billing period is shown below. Find the average daily balance and the finance charge if the billing period is March 1 through March 31, the previous balance was $157.24, and the annual simple interest rate is 21%. (Round your answers to the nearest cent.)

March 5	payment	$40.00
March 17	tools	$33.72

what is the average daily balance and finance charge