CoffeeCarts has a cost of equity of $14\mathrm{.}5\%,$ has an effective cost of debt of $3\mathrm{.}5\%,$ and is financed $72\%$ with equity and $28\%$ with debt.

What is this firm's WACC?

CoffeeCarts's WACC is

$\%.($Round to one decimal place.$)$