On April 30, Victor Services had an Accounts Receivable balance of $31,200. During the month of May, total credits to Accounts Receivable were $66,400 from customer payments. The May 31 Accounts Receivable balance was $25,000. What was the amount of credit sales during May?
a) $6,200.
b) $60,200.
c) $72,600.
d) $66,400.
e) $41,600.