Nick's Place Recorded the Following Data The Weighted Average Unit Cost of the Inventory at January

Nick's Place recorded the following data: $\begin{array}{llrrr}&&\text { Units }&&\text { Unit }\\\text { Date }& \text { Received }& \text {Sold }& \text {On Hand }& \text {Cost }\\\hline1 / 1 \text { Inventory } & & & 600 & \$ 2.50 \\1 / 8 \text { Purchased } & 1,000 & & 1,600 & 3.00 \\1 / 12 \text { Sold } & & 1,200 & 300 &\end{array}$ The weighted average unit cost of the inventory at January 31 is:

A) $2.50.
B) $2.75.
C) $2.81.
D) $3.400.