Periodic Inventory by Three Methods Dymac Appliances uses the periodic inventory system. Details regarding the inventory of appliances at January 1, purchases invoices during the next 12 months, and the inventory count at December 31 are summarized as follows: Purchases Invoices Model Inventory, January 1 1st 2nd 3rd Inventory Count, December 31 A10 __ 4 at $ 44 4 at $ 47 4 at $ 50 5 B15 8 at $ 92 4 at 83 3 at 89 6 at 96 7 E60 3 at 75 3 at 65 15 at 68 9 at 70 5 G83 7 at 231 6 at 239 5 at 249 10 at 248 9 J34 12 at 56 10 at 58 16 at 65 16 at 66 13 M90 2 at 108 2 at 110 3 at 128 3 at 130 5 Q70 5 at 154 4 at 164 4 at 169 7 at 174 8 Required: 1. Determine the cost of the inventory on December 31