You are the auditor for Konerkos Office Supply Store, which is opening for business next week. The store owner has established all the controls you have recommended for ensuring that sales are recorded properly and cash is accounted for. The owner has heard from other small business owners that employees often used returned goods as means of skimming money from the register. Identify and discuss two controls you would recommend to prevent or detect fraudulent returns? (explain in 100 or more words)