On February 28, 2020, Alpha Corporation acquired 90% of the outstanding common stock of Bita Company for $500,000 cash. Out-of-pocket costs of the business combination paid byAlpha on February 28, 2020, were in the form of Finders and legal fees relating to business combination $50,000 and Costs associated with SEC registration statement $10,000,only the fair value of plant assets exceeds its carrying amount by $90,000, net assets of Bita $400,000. The amount of goodwill is:

a.

$20,000

b.

68,000

c.

$109,000.

d.

$70,000.