Given:
The selling price of $575 and a variable cost of $129.
Based on the given condition, formulate:
[tex]\begin{gathered} 575-129=446 \\ =446\times\frac{100}{100} \\ =\frac{446\times100}{100} \\ =\frac{44600}{100} \\ =44600\text{ \%} \end{gathered}[/tex]Hence, the required answer is 44600%.
