On September 30, 2019, X Corporation paid $450,000 for 75% of the outstanding $1 par common stock of Y Company and $80,000 for legal fees in connection with the business combination.  On that date, Y's stockholders' equity was as follows:

            Common stock, $1 par                                                               $100,000

            Additional paid-in capital                                                             150,000

            Retained earnings                                                                         200,000

                Total stockholders' equity                                                      $450,000

Current fair values of Y's inventories (first-in, first-out cost) and depreciable plant assets (net) exceeded their carrying amounts by $20,000 and $90,000, respectively, on September 30, 2019. Current fair values of Y's other identifiable net assets equaled their carrying amounts on that date.  Y's depreciable plant assets had a composite economic life of nine years on September 30, 2019. During that year 30% of the inventories were sold.

For the fiscal year ended September 30, 2020, Y had a net income of $80,000, but did not declare dividends, and the goodwill was impaired by 10%.

Instructions:

a. Prepare X Corporation's journal entries to record the business combination of X and Y Company on September 30, 2019.

b. Prepare working paper elimination (in journal entry format) for X Corporation and subsidiary on September 30, 2019. 

c. Prepare amortization schedule for X Corporation and subsidiary on September 30,2020. 

d. Prepare X Corporation's journal entries, under the equity method of accounting, to record Y Company's operating results for the fiscal year ended September 30, 2020.