Answer :
The total costs if the company decides to make the parts, given the cost of making the part versus purchasing it, will be C. $10,500 more than if the switches are purchased.
What are the costs of purchasing v. buying ?
The cost of purchasing to July company would be :
= Number of switches x Cost of each switch
= 5, 000 x 20
= $ 100, 000
The cost to make the switches would be :
= Material cost + Labor cost + Overhead cost + Set up costs + Supervisor salary + Rent lost
= ( ( 3 + 2 + 1 ) x 5, 000 units ) + 25, 000 + 37, 500 + ( 1, 500 x 12 )
= $ 110, 500
Difference in cost :
= 110, 500 - 100, 000
= $ 10, 500
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