young's had a beginning accounts payable balance of $42,900 and an ending accounts payable balance of $44,800. sales for the period were $770,000 and costs of goods sold were $598,000. if the operating cycle is 129 days, how long is the firm's cash cycle? 102.24 days, 79.35 days, 97.13 days, 81.19 days, 107.78 days