Given the Following Information,what Initial Markup Percentage Should Be Planned

Given the following information,what initial markup percentage should be planned if net sales are expected to be $500,000?
$\begin{array} { ll } \text { Operating expenses}&\$120,000\\ \text { Net profit goal}&\$30,000\\ \text {Planned reductions for markdowns }&\$320,000\\ \text { Planned reductions for theft/shortage/discount}&\$8,000\\ \text { Alteration costs}&\$10,000\\ \text {Cash discounts received by the retailer }&\$5,000\\\end{array}$

A) 28 percent
B) 36 percent
C) 30 percent
D) 39 percent
E) 45 percent