Tara Fields' credit card company uses the previous balance method to calculate finance charges. It has an APR of 17 and uses a monthly periodic rate rounded to the nearest ten-thousandth. Tara's credit card statement for April showed a previous balance of 281.67, new purchases and fees of 112.93, and payments and credits of 200.00. What is Tara's finance charge for April and her new balance?
Question 2
Michael Lane checked his credit card statement and noticed a sale for 82.99 that was unauthorized. He also found that a sale for 52.87 had been listed as 58.27. If the new balance on his statement was 310.65, what is his correct new balance?