Answer:
$317,000
Explanation:
Calculation for the Investment in Roberts Co. balance on Vaughn's books as of December 31, 2021, if the equity method has been applied
Investment in Roberts Co. balance = $276,000 + $50,000 - $ 12,000 - $21,000 + $ 57,000 - $12,000 - $ 21,000
Investment in Roberts Co. balance = $317,000
Therefore the Investment in Roberts Co. balance on Vaughn's books as of December 31, 2021, if the equity method has been applied is $317,000