Tosco Co Paid $540,000 for 80% of the Stock of Martz

Essay

Tosco Co. paid $540,000 for 80% of the stock of Martz Co. when the book value of Martz's net assets was $600,000. For all of Martz's assets and liabilities, book value and fair value were approximately equal.
Required:
Using the acquisition method, what amount of goodwill should appear in a consolidated balance sheet prepared immediately after the combination?