A product passes through three processes X, Y and Z. The normal waste of each process was 3%, 5% and 8% for X, Y and Z, respectively. The waste of process X was sold at Rs 2.50 per unit, that of Y at Rs 5 per unit and that of Z at Rs 8.50 per unit. 10,000 units were issued to process X on 1 July at a cost of Rs 100 per unit. The other expenses were as follows:

Processes

X (Rs)

Y (Rs)

Z (Rs)

Sundry materials

10,000

15,000

5,000

Labour

50,000

80,000

65,000

Expenses

10,450

15,895

20,000

The actual outputs were 9,500 units; 9,100 units and 8,100 units for X, Y and Z, respectively. Prepare process accounts assuming that there are no opening or closing stocks.