Suppose you invest $$20,000$ by purchasing $200$ shares of Abbott Labs $($ABT$)$ at $$50$ per share, $200$ shares of Lowes Companies, Inc. $($LOW$)$ at $$30$ per share, and $100$ shares of Ball Corporation $($BLL$)$ at $$40$ per share.

Suppose over the next year Ball Corporation has a return of $12\mathrm{.}5\%,$ Lowes Companies has a return of $20\%,$ and Abbott Labs has a return of $-10\%.$ The return on your portfolio over the year is: