Problem $1$

A company's capital structure is composed of common stock capital of TR $10,00,000(10,000$ shares @Tk$.100$ each$)$ and of $15\%$ debenture of Tk$.5,00,000.$ Corporate tax rate of the company is $30\%.$ The company's last year data as follows:

Sales $1,00,000$ units @ Tk$.10$ each.

Variable cost @Tk$.4$ per unit.

Fixed cost Tk$.3,00,000.$

Requirement ;

what are the degrees of operating leveruge, financial leverage and Total leverage $?$

what will be the impact on operating leverage if sales is increased by $30\%$ and $50\%$