396 ACCOUNTING FOR MANAGERS
Calculate the cost per unit of Product A and Product B under activity-based
costing.
11.5 Cooper’s Components uses an activity-based costing system for its product
costing. For the last quarter, the following data relates to costs, output volume and
cost drivers:
Overhead Costs £
Machinery 172,000
Set-ups 66,000
Materials handling 45,000
Total 283,000
Product A B C
Production and sales 4,000 units 3,000 units 2,000 units
Number of production runs 12 5 8
Number of stores orders 12 6 4
per unit per unit per unit
Direct costs £25 £35 £15
Machinehours 523
Direct labour hours 4 2 4
a If set-up costs are driven by the number of production runs, what is the set-up
cost per unit traced to product A?
b If materials handling costs are driven by the number of stores orders, what is
the materials handling cost per unit traced to product B?
11.6 Elandem PLC produces 20,000 units of Product L and 20,000 units of
Product M. Under activity-based costing, £120,000 of costs are purchasing related.
If 240 purchase orders are produced each period, and the number of orders used
by each product is:
Product L Product M
No. of orders 80 160
žCalculate the per-unit activity-based cost of purchasing for Products L and M.
žCalculate the overhead recovery for purchasing costs if those costs were
recovered over the number of units of the product produced.
11.7 Heated Tools Ltd uses activity-based costing. It has identified three cost
pools and their drivers as follows:
Purchasing Quality control Despatch
Cost pool £60,000 £40,000 £30,000
Driver 12,000 4,000 2,000
Purchase orders Stores issues Deliveries