In a continuous flow process, the following information was collected in relation to production during the month of May:

 

Units

Work in progress at start of month (60% complete)

50,000

New units introduced for processing

80,000

Completed units transferred to store

100,000

Work in progress at end of month (20% complete)

30,000

Opening work in progress was valued at cost of £42,000. Costs incurred during the month were £140,000.

Required

Calculate the value of finished output and work in progress using the weighted average method.