Hill Fabricators manufactures a variety of parts that the company can use to produce metal stud fixtures. The M2 part is a popular universal part used in the production of several other parts at its manufacturing facility in Ohio. At a recent meeting, the managerial accountant reported that 11% of its fixed overhead cots assigned to the M2 part will not continue if Hill Fabricators decides to outsource the production of the M2 part at $44 per unit to its competitor, Mason Manufacturing. The managerial accountant at Hill Fabricators presented the following data that represents the cost to produce 1209 units of the M2 part. in-house: Hill Fabricators Monthly Analysis: Part M2 Direct materials $31,000 Direct labor $4000 Variable overhead costs $21,000 Fixed overhead costs $15,000 What are the monthly avoidable costs if Hill Fabricators outsources the production of the M2 part to Mason Manufacturing? What is the change in operating income? What is the per unit cost to produce the M2 part? Select one: a. 552,800; $7200 increase; $59.17 X b. 566,150; $7200 decrease: $48.04 c. $54,450; $4850 decrease; $48.04 d. 557,650; $4850 increase; $59.17 The correct answer is: $57,650; $4850 increase; $59.17