Halicon Ltd. applies the lower of cost or NRV valuation to inventory. The company's inventory at the end of the year is as follows: Per Unit Net Realizable Quantity Cost Value 56 36 $ 124 180 $ 156 164 Inventory classification class 1 : Halicon basic models Halican super models Class 2: Private brand-regular Private brand-deluxe Private brand-super deluxe 126 66 46 114 160 236 124 176 174 Required: Determine the amount of any adjustment that is required to inventory under each of the following valuation methods: (Enter all amounts as positive values.) 1. By individual type of item. 2. By class of inventory. By individual type of item By class of inventory Writedown amount