ou have the following information about Burgundy Basins, a sink manufacturer.

Equity shares outstanding $20$ million

Stock price per share $ $34$

Yield to maturity on debt $9\mathrm{.}5\%$

Book value of interest$-$bearing debt $ $325$ million

Coupon interest rate on debt $3\mathrm{.}9\%$

Market value of debt $ $220$ million

Book value of equity $ $360$ million

Cost of equity capital $10\mathrm{.}8\%$

Tax rate $35\%$

Burgundy is contemplating what for the company is an average$-$risk investment costing $$28$ million and promising an annual ATCF of $$4\mathrm{.}4$ million in perpetuity.

What is Burgundy's weighted$-$average cost of capital?