Can anyone help plz ??

The following information pertains to the physical inventory of Electronics Unlimited taken at December 31: Per Unit Units on Hand Cost NRV $199 203 338 253 319 197 $188 223 177 103 193 85 Product Audio equipment: Wireless audio receivers Touchscreen MP3 players Audio mixers Audio stands Video equipment: Televisions 5GB video cards Satellite video recorders Car equipment: GPS navigators Double-DIN Car Deck with iPod/iPhone Control and Aux Input 473 284 205 298 183 618 253 171 647 178 145 171 163 198 213 Required: 1. Calculate the LCNRV for the: a. inventory by major group b. inventory, applied separately to each product. ICNRV applie Per Unit Inventory Items Units on Hand LCNRV applied to: b. a. Major Separately to Each Group Product Cost NRV Total cost Total NRV Audio equipment: Wireless audio receivers 338 $ 188 $ 199 Touchscreen MP3 players 253 223 203 Audio mixers 319 177 193 Audio stands 197 103 85 Subtotal $ 0 $ 0 Video equipment Televisions 473 298 253 1 GB video cards 284 183 171 Satellite video recorders 205 618 647 Subtotal $ 0 $ 0 178 145 171 Car equipment GPS navigators Double-DIN Car Deck with iPod/iPhone Control & Aux Input Subtotal 163 198 213 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Totals View transaction list Journal entry worksheet