How to solve it? please provide steps.

The following transactions entered by a retailer during Jan 2019: 2019 Jan. 1 Sold merchandise on account to a customer for $100,000, terms 2/15/30. Jan. 5 The customer returned merchandise worth $17,000. Jan. 9 Received payment in full from the customer On Jan 5, the retailer should: O a. debit Sales Returns and Allowances account by 1000 O b. credit Accounts Receivable by 1000 o c. debit Sales Returns and Allowances account by 17000 O d. debit Accounts Receivable by 17000