On the April 3 billing date, Michaelle Chappell had a balance due of $ 1495.39 on her credit card. From April 3 through May 2, Michaelle charged an additional $ 305.34 and made a payment of $ 800.
a) Find the finance charge on May 3, using the previous balance method. Assume that the interest rate is 1.8 % per month.
b) Find the new balance on May 3.