9. Complete the table to answer the question. Use the unpaid balance method to calculate the interest. Assume a 12% annual interest rate. What is the unpaid balance at the end of August, rounded to the nearest cent? Unpaid balance at the Unpaid balance at the end of the month Month Purchases Purchases Payments beginning charge of the month S32.70$100.00 $26.20 $148.37 $153.18$129.54 $100.00 June$239.31 $240.00 Jul August A. $494.81 B. $110.98 C. S513.31 D. $294.81