Answer:
At 5,000 both option has the same cost.
Below that volume is better to but
and above this, produce the part generates a cost savings.
Step-by-step explanation:
there is a point of indifference at which potal cost for both option is the same.
50,000 + 30X = 40X
X = 50,000 / 10 = 5,000
At this pouint the total cost is the same for both alternatives
Therefore the company will have to check for which is their relevant range
in order to decide whether to produce or buy the part.