Answer: $1,110 .
Explanation:
Given : Amount received by concession stand in gameday sales = $5,550
i.e. Gross income = $5,550
Profit for the event = $3,330
i.e. Net income =$3,330
According to the Net income formula ,
Gross income - expenses = Net income
⇒ Expenses = Gross income - Net income
⇒ Expenses = $5,550- $3,330
⇒ Expenses = $1,110
Thus , the expenses were $1,110 .