Total contribution margin = $105,000
Units = 30,000
Fixed cost = $40,000
Operating income for 28,000 units = ?
Contribution margin per unit = $105,000 / 30,000
= $3.50
Then budgeted operating income for 28,000 units = ($3.50 x 28,000) - $40,000
= 98,000 – 40,000
= $58,000
So, the budgeted operating income for 28,000 units would be $58,000.