Answer:
A. $ 432 comma 000.
Step-by-step explanation:
The computation of the relevant cost of keeping the old machine is shown below:
= Annual cash operating costs × Current age in years
= $108,000 × 4 years
= $432,000
To find out the relevant cost for the old machine, we multiply the annual cash operating cost with its current age so that the accurate cost can come
All other information which is given in the question is not relevant. Hence, ignored it