For Based on the picture 1,for the Question 2, please explain how to figure out the cost of goods sold and merchandise inventory?What's the difference between writing inventory down to major group and seperately to each product? (as detailed as possible)

The following information pertains to the physical inventory of Electronics Unlimited taken at December 31: Per Unit Units on Hand Cost NRV 339 254 320 198 $189 224 178 104 $200 204 194 86 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 474 285 206 299 184 619 254 172 648 179 146 172 164 199 214 D. Ilivenloiy, applied Sepdldleiy lo edini produci. Per Unit Units on Inventory Items LCNRV applied to: b. a. Separately Major to Each Group Product Cost NRV Total cost Total NRV Hand Audio equipment: Wireless audio receivers 339 $ $ 189 $ 200 $ $ 67,800 Touchscreen MP3 players 254 224 204 64,071 56,896 56,960 20,592 51,816 62,080 $ 64,071 51,816 56,960 17,028 Audio mixers 320 178 194 Audio stands 198 104 86 17,028 $ 198,724 $ 198,519 Subtotal FS 198,519 Video equipment: Televisions 474 299 254 1GB video cards 285 184 172 $ 141,726 $ 120,396 52,440 49,020 127,514 133,488 $ 302,904 120,396 49,020 127,514 Satellite video recorders 206 619 648 Subtotal FS 321,680 302,904 179 146 172 S 26,134 $ 30,788 26,134 Car equipment GPS navigators Double-DIN Car Deck with iPod/iPhone Control & Aux Input Subtotal 164 199 214 32.636 35,096 32,636 ES 58,770 $ 65,884 58,770 Totals $ 578,969 $ 567,512 $ 560,193 $ 545,575 T 2. Prepare the appropriate entry, if any, for 1(a) and 1(b). No Date General Journal Debit Credit 1 Dec 31 18,776 Cost of goods sold Merchandise inventory 18.776 2 Dec 31 33,394 Cost of goods sold Merchandise inventory 33,394