please help due very soon acc114

4) In a perpetual inventory syster, the cost of Goods Sold account is used whenever there is a sale of merchandise or a return of merchandise sold b. only when a credit sale of merchandise ocentrs. only when a sale of inercluandise queurs. d only when a cash sale of merchandise occurs 4) In a perpetual inventory syster, the cost of Goods Sold account is used whenever there is a sale of merchandise or a return of merchandise sold b. only when a credit sale of merchandise ocentrs. only when a sale of inercluandise queurs. d only when a cash sale of merchandise occurs