Answer:
Net operating income= 125,000
Explanation:
First, we need to calculate the total variable cost:
Total variable cost= 55,000*(4 + 1)=
Variable costing income statement:
Sales= 55,000*10= 550,000
Total variable cost= (275,000)
Total contribution margin= 275,000
Annual fixed manufacturing overhead= (120,000)
Fixed selling and administrative costs= (30,000)
Net operating income= 125,000