Exercise 143 (Part Level Submission) At 12/31/17, the end of Jenner Company's first year of business, inventory was $6,100 and $5,100 at cost and at market, respectively. Following is data relative to the 12/31/18 inventory of Jenner: Selling price is 1.00/unit for all items. Disposal costs amount to 10% of selling price and a "nomar profit is 30% of selling price. There are 1,500 units of each item in the 12/31/18 inventory. El Your answer is correct Prepare the entry at 12/31/17 necessary to implement the lower-of-cost-or-market procedure assuming Jenner uses a contra account for its balance sheet. (Credit account titles are automatically indented when the amount is entered. Do not indent manually.) Your answer is correct Complete the last three columns in the 12/31/18 schedule below based upon the lower-of-cost-or-market rules Prepare the entries necessary at 12/31/18 based on the data above. (Credit account titles are automatically indented when the amount is entered. Do not indent manually.)