On April 1, 20X1, Dart Company paid $620,000 for all issued and outstanding common stock of Wall Corporation in a transaction properly accounted for under the acquisition method. Wall’s recorded assets and liabilities on April 1, 20X1, follow:

Cash ............................................................................. $ 60,000
Inventory .....................................................................  180,000
Property and equipment (net of accumulated
depreciation of $220,000) .......................................... 320,000
Goodwill (net of accumulated impairments
of $50,000) ................................................................... 100,000
Liabilities ....................................................................  (120,000)
Net assets ................................................................  $ 540,000

On April 1, 20X1, Wall’s inventory had a $150,000 fair value, and its property and equipment (net) had a $380,000 fair value.

Required:

What is the amount of goodwill resulting from the business combination?