Aftab Automobiles Ltd assembles Toyota and Hino vehicles in Bangladesh. It has extensive R&D and IT departments. In 2011, its profit margin was 30.02% and return on equity was 22.54%. A DuPont analysis shows profit margin and asset turnover contributed to ROE. The company's weighted average cost of capital is 15.53%, calculated using a risk-free rate of 7.25%, beta of 1.38, and costs of equity and debt.