Answer:
Roberto designers
20,000 shares at $7 = $140,000
Add:40,000 shares at $8 = $320,000
Less: 4,000 shares at $10 = $40,000
Total common stock holdings = 56,000 shares at $5= $280,000
Premium on shares Account = $140,000
Total shareholders account $420,000
Add closing retained earnings $100,000
Total stockholders equity end of 2021 = $520,000
Retained earnings calculation:
Net income $200,000
Less Dividend $100,000
Closing retained earnings $100,000