Gift Gallery Sold 2,000 Zooglars During 2016 If Gift Gallery Sells 30 More Units, by How Much

Multiple Choice

Gift Gallery sold 2,000 Zooglars during 2016.Information is provided concerning the Zooglar product: $\begin{array}{cc}\text {Sales.........................} &\$60,000\\ \text {Variable costs............. } &24,000\\ \text {Fixed costs................. } &\underline{10,000}\\ \text {Net income................. } &\underline{\underline{\$26,000}}\\\end{array}$
If Gift Gallery sells 30 more units, by how much will its profit increase?

A) $18
B) $540
C) $390
D) $900