A company has variable costs that are $\frac{1}{8}$ the value of their revenues. Total net income for the most recent period was a of $$50400$ and sales were $$500000.$ The company has start new marketing campaign that they hope will increase sales, $b$ will require additional advertising of $$15000.$ How many sale dollars does the company have to generate in order to remain same level of profitability as before the new ad campaign?

Select one:

A$.$ $$387100\mathrm{.}00$

B$.392100\mathrm{.}86$

C$.392100\mathrm{.}00$

D$.$ $$387100\mathrm{.}86$

E$.$ $$517142\mathrm{.}86$