ADRIAN CORP. SELLS GOODS ON ACCOUNT FOR $100000 ON MAY 1. ON MAY 15, THE CUSTOMER RETURNS $40000 OF THE MERCHANDISE. THE CUSTOMER HAS NOT YET PAID FOR ANY OF THE GOODS. WHAT WILL ADRIAN RECORD ON MAY 15?

A. CREDIT TO ALLOWANCE FOR SALES RETURNS
B. DEBIT TO SALES EXPENSE
C. DEBIT TO SALES RETURNS
D. CREDIT TO ACCOUNTS RECEIVABLE