From the following particulars prepare a flexible budget for the six months ending 31st March, 2013 showing the estimated sales, costs and profit at 60%, 80% and 100% activity. Assume that all items produced are sold. Fixed Expenses : Management Salaries 4,20,000 Rent and Rates 2,80,000 Depreciation on Machinery 3,50,000 Sundry Office Cost 4,45,000 14,95,000 Semi-variable expenses Variable expenses at 50% activity: at 50% activity: Plant Maintenance 1,25,000 Materials 12,00,000 Indirect Labour 4,95,000 Labour 12,80,000 Salesmen's Salaries etc. 1,45,000 Salesmen's Commission 1,90,000 Sundry Expenses 1,30,000 8,95,000 26,70,000 Semi-variable expenses remain constant between 40% and 70% activity, increase by 10% of the above figures between 70% and 80% activity and increase by 15% of the above figures between 80% and 100% activity. Fixed expenses remain constant whatever be the level of activity. Sales at 60% activity are 51,00,000; at 80% activity are * 68,00,000; and at 100% activity are 85,00,000