Answer: See attachment
Step-by-step explanation:
The retained earnings as at December 31, 2020 was gotten as $283,800. In the attachment, net income was calculated as:
Net income = $88,200
Add: Gain on investment sale = $44,900
Add: Refund on litigation = $25,300
Less: loss on discounted Operation = $38,700
Less: Goodwill write-off = $63,700
Net income = $56,000
Check the attachment for further explanation