Answer:
$513,000
Step-by-step explanation:
For computing the change in operating income first we have to determine the contribution margin per unit which is shown below:
Sale price $160
Less: variable cost
Manufacturing cost per unit -$50
Selling and administrative costs per unit -$20
Contribution margin per unit $90
Now Increase in operating income equal to
= Contribution margin per unit of new order × number of units sold at a special pricing model
= $90 × 5,700
= $513,000