Chapter 6 question 6I'm confused by this?

A manufacturer reports the information below for three recent years. Year 1 Year 2 Year 3 Variable costing income $ 111, 500 $ 116,000 $ 120, 200 Beginning finished goods inventory (units) 1, 250 750 Ending finished goods inventory (units) 1, 250 750 850 Fixed manufacturing overhead per unit $ 5.00 $ 5.00 $ 5.00 OK Compute income for each of the three years-using absorption costing. nt Year 1 Year 2 Year 3 Absorption costing income