Fill in the table using the following information. PART $4$ Corporate Finance

What happens to the rate of return on the stockholders' investment as the

amount of debt increases? Why did the rate of interest increase in case C$?$

Assets required for operation: $$2,000$

Case A$-$firm uses only equity financing

Case B$-$firm uses $30\%$ debt with a $10\%$ interest rate and $70\%$ equity

Case C$-$firm uses $50\%$ debt with a $12\%$ interest rate and $50\%$ equity

Please show work!!!