How much the operating profit has to be raised in order to have a return on investment of 30%, with given sales for Rs 3,00,000 and an asset for Rs 2,00,000? A firm has a sale for Rs 3,00,000. The...

How much the operating profit has to be raised in order to have a return on investment of 30%, with given sales for Rs 3,00,000 and an asset for Rs 2,00,000?

A firm has a sale for Rs 3,00,000. The cost of goods amounts to 60% of the sale value. The operating cost is further 10 % of the sale value. Find the degree of operating leverage.