Draw up a Flexible Budget for the Overhead Expenses on the basis of the following data and determine the Overhead rates at 70%, 80% and 90% plant capacity levels:

At 80% Capacity Rs.

Variable Overheads:

Indirect Labour

12,000

Indirect Material

4,000

Semi-Variable Overheads:

Power [30% fixed]

20,000

Repairs and maintenance [40% variable]

2,000

Fixed Overheads:

Depreciation

11,000

Insurance

3,000

Others

10,000

Total Overheads

62,000

Estimated Direct Labour hour work

1,24,000 hrs