Decker company has five products in its inventory. information about the december 31, 2018, inventory follows. product quantity unitcost unitsellingpricea 1,000 $ 10 $ 16b 800 15 18c 600 3 8d 200 7 6e 600 14 13the cost to sell for each product consists of a 15 percent sales commission. required: 1. determine the carrying value of inventory at december 31, 2018, assuming the lower of cost or net realizable value (lcnrv) rule is applied to individual products.2a. determine the carrying value of inventory at december 31, 2018, assuming the lcnrv rule is applied to the entire inventory.2b. assuming the inventory write-downs are usual business practice for decker, record any necessary year-end adjusting entry.