please help me !

part b and c in pic 2

answer all 3 parts please!

Ivanhoe Company began operations in 2017 and determined its ending inventory at cost and at LCNRV at December 31, 2017, and December 31, 2018. This information is presented below. 12/31/17 12/31/18 Cost $356,040 427,030 Net Realizable Value $331,940 407,300 (a) Prepare the journal entries required at December 31, 2017, and December 31, 2018, assuming inventory is recorded at LCNRV and a perpetual inventory system using the cost-of-goods-sold method. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter o for the amounts.) Date Account Titles and Explanation Debit Credit 12/31/17 12/31/18 (b) Prepare journal entries required at December 31, 2017, and December 31, 2018, assuming inventory is recorded at cost and a perpetual system using the loss method. (Use Recovery of Loss Inventory account.) (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter o for the amounts.) Account Titles and Explanation Debit Credit Date 12/31/17 12/31/18 (C) Which of the two methods above provides the higher net income in each year