Utica Company has offered to supply Kingston's entire annual requirements of the part for $53 each. If Kingston buys the part from Utica instead of making it, Kingston would have no other use for the facilities and 60 percent of the fixed manufacturing overhead would continue. In deciding whether to make or buy the part, the total relevant costs to make the part internally are

$480,000

Explanation:

Calculation to determine what total relevant costs to make the part internally are

First step is to calculate Relevant cost per unit:

Relevant cost per unit:

Direct materials $6

Direct labor $24

Variable manufacturing overhead $12

Fixed manufacturing overhead ($15 × 0.40) $6

Relevant manufacturing cost $48

Now let determine the Total relevant costs to make the part internally

Total relevant costs to take the part internally=($48 × 10,000)

Total relevant costs to make the part internally = $480,000

Therefore total relevant costs to make the part internally are $480,000

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