Titan Mining Corporation has $6\mathrm{.}4$ million shares of common stock outstanding and

$175,000($units of$)6$ percent semiannual bonds outstanding, par value $$1,000$ each.

$($Hint: the coupon payment every $6$ months is $$30.)$ The common stock currently sells for

$$53$ per share and has a beta of $1\mathrm{.}15$ ; the bonds have $5$ years to maturity and sell for

$$1,060$ per unit. The market risk premium is $6\mathrm{.}8$ percent, T$-$bills are yielding $3\mathrm{.}1$ percent,

and the company's tax rate is $21$ percent.

a$.$ What is the market leverage of the company?

b$.$ What is the cost of debt for the company?

c$.$ What is the cost of equity for the company?

d$.$ If the company is evaluating a new investment project that has the same risk as the

firm's typical project, and the firm will keep the current leverage, what discount rate

should the company use to discount the project's cash flows in WACC method?