4. A proforma cost sheet of a company provides the following particulars:

Element of Cost Amount per unit (`)

Raw materials 80 Direct labour 30 Overhead 60 Total cost 170 Profit 30 Selling price 200 The following further particulars are available:
Raw materials are in stock on an average for 1 month. Materials are in process on an average for ½ month. Finished goods are in stock on an average for 1 month. Credit allowed by suppliers is 1 month. Credit allowed to customers is 2 months. Lag in payment of wages is 1½ weeks. Lag in payment of overhead expenses is 1 month. Onefourth of the output is sold against cash. Cash in hand and at bank is expected to be ` 25,000.
You are required to prepare a statement showing the Working Capital needed to finance a level of activity of 1,04,000 units of production.
You may assume that production is carried on evenly throughout the year, wages and overheads accrue similarly and a time period of 4 weeks is equivalent to a month.