Which of the following statements about the Retail Inventory Method are correct? (select all that apply - i.e., just one or as many as all of them) Purchase returns are usually subtracted from the purchase cost of inventory, but not from the retail value. (Net markups increase the cost-to-retail ratio only when the conventional retail inventory method is used Freight-in expenses are added to the purchase cost of inventory, but not to the retail value. All else equal, the higher the value of sales returns, the lower the value of ending inventory