Assume no purchases or returns are made in the exercise given below At the begining of a 31day biling period, Sandra Lazzaro has an unpaid balance of $820 on her credit card. Three days before the end of the biling period, she pays $600. Find her: finance chatge at 2.3% per month using the average daly balance methed. The finance charge for Sandra Lazzaro is 1 (Round to the nearest cent as needed.)