Use the average daily balance method to compute the finance charge on the credit card account for the previous month. The starting balance and transactions on the account for the month of April are given to the right. Assume an annual interest rate of 18%.

Month: April (30 days); previous month's balance:

$520

April 7	Charged $81 for a coat
April 10	Made payment of $240
April 13	Charged $116 for DVDs
April 17	Charged $30 for groceries

The finance charge is

$nothing.