please help! i'm getting confused because i wasn't proved with an amount of units sold

Please choose the correct answer for each of the following questions. All questions will be based on the information provided below: Last year, Harold Company had the following per unit sales and cost amounts. The company had no beginning or ending inventory. For each of the following, select the correct amount: Variable Costing product cost per unit Absorption Costing product cost per unit Gross Profit per unit Contribution Margin per unit \$87.50 Operating Income per unit