XYZ Ltd processes and purifies a basic chemical which is then broken down by reaction to give three separate products. Explain the approaches to joint cost allocation using the following information:

Product

Units produced

Final market value

per unit (£)

Costs beyond

split off point (£)

A

3,000

5.00

4,000

B

1,000

4.00

1,800

C

2,000

3.00

2,400

Joint costs incurred up to the split off point are £2,000.