A Company Produces 100 Microwave Ovens Per Month, Each of Which

A company produces 100 microwave ovens per month, each of which includes one electrical circuit. The company currently manufactures the circuit in-house but is considering outsourcing the circuits at a contract price of $28 each. Currently, the cost of producing circuits in-house includes variable costs of $26 per circuit and fixed costs of $5,000 per month.
Assume the company could not reduce any fixed costs by outsourcing, and that there is no alternative use for the facilities presently being used to make circuits. If the company outsources, how will it affect monthly operating income?

A) Operating income will go up by $4,800.
B) Operating income will go down by $2,800.
C) Operating income will go down by $200.
D) Operating income will stay the same.