Answer:
the effect on pre-tax net income will be an increase for 4,000.
Step-by-step explanation:
This is a case for Relevant cost:
The company has sufficient capacity to produce this scales, without increasing the fixed cost.
we need to check if the offer covers the variable cost and the additional shipping cost.
15$ sales price - $12 variable cost - $1 shipping cost = $2 contribution margin
2000scales *2 CM = 4,000 effect on net income