4.The net realizable value of accounts receivable is the:

A. difference between the ending accounts receivable balance and the allowance for doubtful accounts.

B. difference between the total sales made and the bad debt expense.

C. total of credit sales made during the period.

D. sum of the beginning accounts receivables balance and the bad debt expense.

E. sum of the beginning accounts receivable balance and the allowance for doubtful accounts.