Respuesta :

[tex]\begin{gathered} LetCP=8x \\ andSP=9x \\ Ga\in=9x-8x=1x \\ Ga\in\text{ in percentage=}1x\times\frac{100}{8x} \\ =12.5\text{\%} \\ Ga\in=\frac{(sp-cp)}{cp} \\ 12.5=\frac{sp-8500}{8500} \\ 106250=sp-8500 \\ sp=114750 \end{gathered}[/tex]