Hard2 marksMultiple Choice
Decision-making techniquesSyllabus CRelevant CostingOpportunity Cost

ACCA · Question 18 · Decision-making techniques

Section B - Case 1: AquaHarvest

AquaHarvest operates a sustainable offshore kelp farm. For the special cosmetics contract, a specialized drying machine is required. AquaHarvest owns a suitable machine that was purchased 3 years ago for $50,000. Its current net book value is $20,000. If not used for this contract, the machine could be sold today for $15,000. After the contract, the machine will have no resale value and will cost $2,000 to dismantle and dispose of.

What is the relevant cost of using the drying machine for the special contract?

Answer options:

A.

$15,000

B.

$17,000

C.

$20,000

D.

$22,000

How to approach this question

Identify the cash flows that change as a direct result of accepting the contract. Consider opportunity costs and future unavoidable cash flows.

Full Answer

B.$17,000✓ Correct
The relevant cost of the machine is the opportunity cost of using it plus any future cash flows caused by its use. Opportunity cost (lost sale proceeds today) = $15,000. Future disposal cost (incurred only if used) = $2,000. Total relevant cost = $15,000 + $2,000 = $17,000. The original purchase price ($50k) and NBV ($20k) are sunk/irrelevant.

Common mistakes

Using the Net Book Value ($20,000) or forgetting to add the disposal cost.

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