pls answer all parts of this question

A physical inventory of Helmke Company taken at December 31 reveals the following. Units Cost per Unit NRV per Unit 335 250 316 194 $ 90 111 86 52 $ 98 100 95 41 Item Car audio equipment Speakers Stereos Amplifiers Subwoofers Security equipment Alarms Locks Cameras Binocular equipment Tripods Stabilizers 470 281 202 150 93 310 125 84 322 175 160 70 97 84 105 Required 1. Calculate the lower of cost and net realizable value for the inventory applied separately to each item. 2. If the NRV amount is less than the recorded cost of the inventory, then record the lower of cost and NRV adjustment to the Merchandise Inventory account