Charleston Inc. manufactures 40,000 components per year. The manufacturing cost of the components total $190,000 and are comprised of direct materials, $90,000 direct labor, $50,000 variable manufacturing overhead, $20,000 and fixed manufacturing overhead $30,000. If Charleston purchases the component from an outside supplier for $4.25 per unit, how will the company's operating profit be impacted? Please show step by step solution. a. none of these b. $10,000 decerase c. $30,000 increase d. $10,000 increase e. $30,000 decrease
d. $10,000 increase
The relevant cost of manufacturing the 40,000 components equals:
= Direct materials + Direct labor + Variable overhead
= $90,000 + $50,000 + $20,000
= $160,000
The Fixed manufacturing overhead cost is not relevant to this decision since it cannot be avoided.
The cost of purchasing the 40,000 components equals:
= 40,000 units × $4.25
= $170,000
If the components are purchased from the outside supplier, operating profit will decrease by :
= Relevant manufacturing – Cost of purchasing
= $160,000 - $170,000
= -$10,000
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