You get the green light to invest in a project for your company. You can borrow $60\%$ of the total cost of the project, and your company's bank will provide you with an interest only loan of $4\%.$ Your company will use its own cash to fund the balance of the required funds, but they have set a minimum return of $6\%$ for the deployment of its cash, What is your weighted average cost of capital for your project?

Group of answer choices

$4\mathrm{.}8\%$

$5\mathrm{.}2\%$

$5\mathrm{.}4\%$

$5\mathrm{.}8\%$