What is the degree of operating leverage in the following cases?
1. Where profit is Rs. 5,00,000 and total fixed cost is Rs. 4,00,000
2. Where 1% increase in output brings in 3% increase in profit
(a) 0.8 and 3 (b) 1.5 and 3
(c) 0.8 and 4 (d) 1.5 and 4