What are the 5 Cs of credit that are sometimes used by bankers and other creditors to determine whether a loan will be made? Why is character the most important? Donalds Plumbing Supplies has annual sales of exist6, 025,000. Sixty percent are on credit. The firm has exist585,000 in accounts receivable. Compute the value of the average collection period (be sure to read page 63 regarding days in the year for this calculation)