LWQ Inc. purchased 100% of the voting shares of Son Inc. for $1,000,000 on January 1, Year 3. On that date, Sons commons stock and retained earnings were valued at $200,000 and $400,000 respectively. LWQ uses the cost method to account for its investment in Son Inc.

At the time of acquisition, Sons fair values, carrying values and tax bases are approximately the same except for equipment:

Fair Value Carrying Amount Tax Base

Equipment $400,000 $300,000 $200,000

What is the goodwill at the time of aquisition?