Reporting a Change in Accounting Principle Costko Corp. reported net income of $1,000,000 and $1,100,000 in 2018 and 2019, respectively. In 2020, the company changed its method of accounting for inventory from weighted average to FIFO (first-in, first-out). As a result of using the new method (FIFO), net income would have been $1,100,000 and $1,302,000 in 2018 and 2019, respectively. a. Classify the accounting change. b. Determine the proper accounting approach. c. In reporting comparative income statements in 2020: What net income amounts are included for 2018? $ A 0 What net income amounts are included for 2019? TA O