Mastery Problem: Accounting for Retail Businesses Question Content Area Merchandising Transactions You are working as a summer intern for AAA Auditing, Inc. You have been asked to help resolve discrepancies noted in the audit for Dolfin Corporation, a retailer of specialty aquarium supplies. As a retail company, Dolfin Corporation uses the perpetual inventory system. To prepare for this assignment, you have been asked to review your knowledge of sales and purchase transactions by completing the following table. Consider the effect of each transaction on the three accounts listed, and identify which accounts are debited or credited. If not affected by the transaction, select "No Effect". Inventory Estimated Returns Inventory Cost of Goods Sold