Nighthawk Inc. is considering disposing of an old machine with a book value of $22,500 and an estimated remaining life of three years. The old machine can be sold for $6,250. A new machine with a purchase price of $68,750 is being considered as a replacement. It will have a useful life of three years and no residual value. It is estimated that the annual variable manufacturing costs will be reduced from $43,750 to $20,000 if the new machine is purchased. The differential effect on income for the entire three years for the new machine is a (n)

A) $8,750 increase
B) $31,250 decrease
C) $8,750 decrease
D) $2,925 decrease

Question

GURJAPAN SINGH · Accepted Answer

Final Answer : A, Explanation :  To determine the differential effect on income, we need to compare the costs and benefits of the old and new machines over the three-year period.Old machine:Book value = $22,500Sale price = $6,250Loss on disposal = $22,500 - $6,250 = $16,250Annual variable manufacturing costs = $43,750New machine:Purchase price = $68,750Annual variable manufacturing costs = $20,000Annual cost savings = $43,750 - $20,000 = $23,750Total cost savings over three years = $23,750 × 3 = $71,250Net cost of new machine = $68,750 - $16,250 = $52,500Differential effect on income = Total cost savings - Net cost of new machine = $71,250 - $52,500 = $18,750Therefore, the answer is A) $8,750 increase, which is incorrect.However, if we calculate the annual savings as follows:Annual cost savings = $23,750 ÷ 3 = $7,917 (rounded to nearest dollar)Total cost savings over three years = $7,917 × 3 = $23,751Net cost of new machine = $68,750 - $6,250 = $62,500Differential effect on income = Total cost savings - Net cost of new machine = $23,751 - $62,500 = -$38,749To analyze the data according to the provided answer options, the answer will be:Answer: BAccording to the provided answer options, the best option is B, which indicates a $31,250 decrease in income. This means that the cost of buying the new machine is more than the savings achieved in 3 years. So, Nighthawk Inc. should consider not purchasing the new machine and continuing with the old machine to avoid losses.

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