The following information pertains to the physical inventory of Electronics Unlimited taken at December 31: Per Unit Units on Product Hand Cost NRV Audio equipment: Wireless audio receivers 342 $183 $194 Touchscreen MP3 players 257 218 198 Audio mixers 323 172 188 Audio stands Video equipment: Televisions 201 98 80 477 293 248 5GB video cards 288 178 166 Satellite video recorders 209 613 642 Car equipment: GPS navigators 182 140 166 Double-DIN Car Deck with iPod/iPhone Control 167 193 208 and Aux Input Required: 1. Calculate the LCNRV for the: a. inventory by major group b. inventory, applied separately to each product.