$20$p$)1.$ ABC Inc. estimates that its interest charges for this year will be $$7000$ and that its net income will be $$30,000.$ Assuming its average tax rate is $30\%,$ what is the company's estimated times$-$interest$-$earned ratio?

$25$p$)2.$ Return on equity $($ROE$)$ of Standard Company is $18$ percent. If sales are $$4$ million, the debt ratio $($debt to total assets$)$ is $0\mathrm{.}40,$ and total liabilities are $2$ million, what is the return on assets $($ROA$)?$

$(25$p$)3.$ A firm has total assets of $$1,000,000$ and a debt ratio of $30$ percent. Currently, it has sales of $$2,500,000,$ total fixed costs of $$1,000,000,$ and EBIT of $$50,000.$ If the firm's before$-$tax cost of debt is $10$ percent and the firm's tax rate is $40$ percent, what is the firm's return on equity $($ROE$)?$

$(30$p$)4.$ The data for two projects $($Project A and Project B$)$ of Smart Corporation are given below.

$\backslash$table$[[,$Project A$,$Project B$],[$Selling price per unit,$$200,$$$200$