Basic inventory data for Great Deal Company as of June 30 are presented below: Item Quantity Unit Cost Unit Market Value Sporting Goods: Baseballs 20 $ 36 $ 32 Footballs 40 $110 $116 Basketballs 10 $ 40 $ 50 Electronics: CD Players 20 $164 $150 DVD Players 30 $116 $110 Assume Great Deal Company applies the Lower of Cost or Market method for the inventory by major category. Determine the amount of inventory adjustment required at the end of the year