almaden hardware store sells two product categories, tools and paint products. information pertaining to its 2021 year-end inventory is as follows: inventory, by product category quantity per unit cost net realizable value tools: hammers 110 $ 4.70 $ 5.20 saws 170 9.70 8.70 screwdrivers 270 1.70 2.30 paint products: 1-gallon cans 470 5.70 4.70 paint brushes 110 3.70 4.20 required: 1. determine the carrying value of inventory at year-end, assuming the lower of cost or net realizable value (lcnrv) rule is applied to (a) individual products, (b) product categories, and (c) total inventory. 2. assuming inventory write-downs are common for almaden, record any necessary year-end adjustment amount for each of the lcnrv applications in requirement 1.