Sol Enterprises' Contribution Income Statement Utilizing Variable Costing Appears Below

Sol Enterprises' contribution income statement utilizing variable costing appears below: Sol Enterprises
Income Statement
For the Year ended December 31, 2017
$\begin{array}{lr}\text { Sales ( } \$ 12 \text { per unit) }&&\$240,000\\\text { Less variable costs: }\\\text { Cost of goods sold } & \$ 100,000 \\\text { Selling \& administrative costs } & 18,000&118,000\\\text { Contribution margin }&&122,000\\\text { Less fixed costs: }\\\text { Manufacturing overhead } & 60,900 \\\text { Selling \& administrative costs } & 15,000 & 75,900 \\\text { Net income }&&\$48,100\end{array}$ Sol produced 21,000 units during the year.Variable costs per unit and fixed production costs have remained constant the entire year.There were no beginning inventories.How much is the dollar value of the ending inventory using variable costing?

A) $5,000
B) $7,900
C) $8,800
D) $2,900