Answer:
$440,000
Step-by-step explanation:
Net income during year = Service revenue - Operating expenses = $(560,000 - 500,000) = $60,000
Ending retained earnings = Beginning retained earnings + Net income - Dividends
= $(300,000 + 60,000 - 40,000)
= $320,000
Stockholder equity = Common stock + Ending retained earnings = $(120,000 + 320,000) = $440,000