RiCo uses the perpetual method for inventory and records purchases at gross. In 20X4, it has total merchandise purchases 0f $ 324.000. It returns $19,000 of the merchandise for full credit and receives $7,000 in allowances from its vendors for defective merchandise and takes cash discounts of $1000. The net cost of RiCos 20X4 merchandise purchases is a. $297,000 b. 305,000 c.$324,000 d. 298,000