A firm has equity and debt in its capital structure amounting to Rs 2,00,000 and Rs 3,00,000 respectively. The sale amounts to Rs 8,00,000. The cost of material and the operating cost amount to Rs...

A firm has equity and debt in its capital structure amounting to Rs 2,00,000 and Rs 3,00,000 respectively. The sale amounts to Rs 8,00,000. The cost of material and the operating cost amount to Rs 5,60,000. Find (a) profit margin, and (b) return on investment.