You borrowed some money at 8 percent per annum. You repay the loan by making three annual payments of $ 226 (first payment made at t = 1), followed by five annual payments of $ 517 , followed by four annual payments of $ 847 . How much did you borrow? (Round your answer to 2 decimal places; record your answer without commas and without a dollar sign).

Answer is 3,736.73 but i do not know how to obtain answer.