Answer:
increase by $15,600
Explanation:
Fixed cost remains constant throughout a period. If production is through the use of idle capacity, fixed cost will not change.
Change is income will result from the total contribution margin realized from the special order.
The total contribution margin is the contribution margin per unit multiplied by total units.
Contribution margin per unit = special offer price - variable costs
=$23.40- $18.20
=$5.20
change in income will be $5.20 x 3000
=$15,600 increase