Find out the operating profit if: sales are Rs 5,50,000; cost of goods sold is Rs 2,70,000; other variable costs are Rs 45,000; fixed operating cost is Rs 40,000; and interest payments amount to Rs...

Find out the operating profit if: sales are Rs 5,50,000; cost of goods sold is Rs 2,70,000; other variable costs are Rs 45,000; fixed operating cost is Rs 40,000; and interest payments amount to Rs 20,000.

Find out the net income after taxes if marginal contribution is Rs 2,00,000; operating cost is Rs 40,000; interest paid is Rs 10,000 and tax rate is 30%.