Math help!! I am home schooled and need some help with a few math problems that I have. These problems are the only thing holding me back from my diploma and i can't figure them out. Can I please get some help? 1. Using the "previous balance method", calculate the finance charge: Previous Balance: $943.29 APR: 18.5 Finance Charge:? $513.40 APR: 18 Finance Charge:? 2. Using the "Average daily Balance Medthod", determine the finance charge. A customer's charge account shos a balance of $423.50 on May 1. A payment of $123.50 was made on May 10. Purchases of $290 were made on May 15. An annual rate of 18.5% is applied to your account. Average Daily Balance: ? Finance Charge: ? 3. Find the approximate annual percentage rate for these problems using the approximate annual percentage rate formula: Loan:$1,950 Finance Charge:$375 #of mo. Payments:24 APR: ? Loan:$1,670 Finance Charge: $200 #of mo. Payments:12 APR: ? Thank you so much for your help!!