Factoring Accounts Receivable. Grafton Corporation is considering factoring it

Factoring Accounts Receivable. Grafton Corporation is considering factoring its accounts receivable. Its sales are $3600000 and accounts receivable
turnover is two times. The factor requires: (1) an 18 percent reserve on accounts receivable; (2) a commission charge of 2.5 percent on average accounts
receivable payable when receivables are purchased; and (3) an interest charge of 19 percent on receivables after deducting the commission charge and
reserve.

The interest charge reduces the advance.

Given the facts answer the following questions: (a) What is the average accounts receivable? (b) How much will Grafton receive by factoring its accounts
receivable? (c) What is the annual cost of the factoring arrangement? (d ) What is the effective annual cost of factoring?