Medium2 marksMultiple Choice
Syllabus C: Cost accounting techniquesJoint ProductsBy-productsProcess Costing

ACCA · Question 15 · Syllabus C: Cost accounting techniques

A rare-earth mineral refinery processes raw ore into two main joint products (Neodymium and Praseodymium) and one by-product (Slag).

Which of the following are acceptable accounting treatments for the by-product? (Select all that apply)

Answer options:

A.

Deduct the net realizable value of the by-product from the total joint process costs before allocating costs to main products.

B.

Treat the sales value of the by-product as miscellaneous income in the income statement.

C.

Allocate a full share of joint process costs to the by-product based on its physical weight.

D.

Allocate joint process costs to the by-product based on its sales value at split-off.

How to approach this question

Remember that by-products are incidental and have minor value. They do not receive a share of joint costs. Their value is either deducted from joint costs or treated as other income.

Full Answer

By-products have relatively low sales value compared to joint products. Therefore, they are not allocated a share of the joint production costs. Instead, the standard accounting treatments are either to deduct the Net Realizable Value (NRV) of the by-product from the total joint costs (reducing the cost of main products) or to recognize the revenue from the by-product as miscellaneous/other income.

Common mistakes

Treating a by-product like a joint product and allocating costs to it.

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