Answer: Option (A) is correct.
Step-by-step explanation:
Given that,
Change generates:
Gains = $50,000
Losses = $45,000
According to the cost-benefit principle, if the benefit-cost ration is greater than 1 then it is desirable.
Benefit-cost ratio =

=

= 1.11
Therefore, the benefit-cost ratio is greater than 1, so the change is desirable.