Answer:
effect on net income Δ12,000
It will increase by 12,000
Step-by-step explanation:
special order 15,000 at $3.10
sales 3.10 - variable cost 2.3 = 0.8 contribution margin per unit
15,000 x 0.8 = 12,000 contribution
There are no increase on fixed cost or additional variable cost for shipping or setup for this special order.