QR Limited uses a standard absorption costing system. The following details have been extracted from its budget for April:

Fixed production overhead cost

£48 000

Production (units)

4 800

In April the fixed production overhead cost was under-absorbed by £8000 and the fixed production overhead expenditure variance was £2000 adverse.

The actual number of units produced was:

A

3800

B

4000

C

4200

D

5400

E

5800