Answer:
$343,725; $200,850
Explanation:
(a) The total incremental cost of making 51,500 units is calculated as below:
Total Relevant Costs:
= Variable Cost Per Unit + Fixed Manufacturing Costs
= (Relevant Amount Per Unit × No. of units) + Fixed Manufacturing Costs
= ($5.15 × 51,500) + $78,500
= $265,225 + $78,500
= $343,725
Therefore, the total incremental cost of making 51,500 units is $343,725.
(b) The total incremental cost of buying 51,500 units is determined as below:
Total Relevant Costs = Purchase Price Per Unit × No. of units
= $3.90 × 51,500
= $200,850
Therefore, the total incremental cost of buying 51,500 units is $200,850.
(c) The company should buy the component from outside supplier as it results in a lower total incremental cost of $200,850.