Answer:
Sales Returns and Allowances 150
Accounts Receivable 150
Explanation:
When goods are returned, the sales revenue decreases through Sales Returns and Allowances which is an expense. So, it is debited and the goods sold on account, the Accounts Receivable which is an asset decreases, so it is credited.
Account Titles and Explanations Debit Credit
Sales Returns and Allowances $150
Accounts Receivable $150
(To record sales returns)