On April 30, Holden Company had an Accounts Receivable balance of $18,000. During the month of May, total credits to Accounts Receivable were $52,000 from customer payments. The May 31 Accounts Receivable balance was $13,000. What was the amount of credit sales during May?

There was $47,000 of credit sales during May.

$52,000-18,000+13,000=$47,000