Ruth’s credit card has an APR of 10.91%, and it computes finance charges using the previous balance method on a 30-day billing cycle. During the April billing cycle, she made a $45.17 payment on April 10th and a $88.34 purchase on April 17th. Her total at the start of May was $847.64. What was her balance at the beginning of April? a. $890.91 b. $797.16 c. $796.87 d. $804.47 Please select the best answer from the choices provided