The Following Data Have Been Provided by a Retailer That

The following data have been provided by a retailer that sells a single product:
$\begin{array}{|l|r|r|}\hline & \text { This Year } & \text { Last Year } \\\hline \text { Units Sold } & 200,000 & 150,000 \\\hline \text { Sales Revenue } & \$ 1,000,000 & \$ 1750,000 \\\hline \text { Less: Cost of Goods Sold } & \underline{700,000} & \underline{\mathbf{5 2 5 , 0 0 0}} \\\hline \text { Gross Margin } & 300,000 & 225,000 \\\hline \text { Less: Operating Expenses } & \underline{222,000} & \underline{\mathbf{2 1 0 , 0 0 0}} \\\hline \text { Operating Income } & \underline{\$ 78,000} & \underline{\$ 15,000} \\\hline\end{array}$


-What is the best estimate of the company's variable operating expenses per unit?

A) $0.24 per unit.
B) $0.71 per unit.
C) $0.90 per unit.
D) $4.17 per unit.