Use the Following Information for Questions:
a Company Had the Following

Multiple Choice

Use the following information for questions:
A company had the following inventory activity during May: $\begin{array}{lrrrr}&\text { Units}&\text { Unit Cost }&\text {Total Cost }&\text { Unit Price }\\\hline\text { Beginning inventory } & 100 & \$ 20.00 & \$ 2,000 & \\\text { Purchase: May 3 } & 900 & \$ 21.00 & 18,900 & \\\text { Sale: May 5 } & (900) & & & \$ 30.00 \\\text { Purchase: May 15 } & 1,000 & \$ 21.00 & 21,000 & \\\text { Sale: } & (900) & & & \$ 30.00\end{array}$
-If the company uses a perpetual system and the moving average cost flow assumption, what is the gross margin on the May 5 sale closest to?

A) $6,100
B) $8,100
C) $8,190
D) $8,550