The Following Information Is Available for Barnes Company for the Fiscal

The following information is available for Barnes Company for the fiscal year ended December 31:
$\begin{array}{llr} \text { Beginning finished goods inventory in units } &0\\ \text {Units produced } &4,800\\ \text { Units sold } &4,000\\ \text { Sales } &\$400,000\\ \text { Materials cost } &\$96,000\\ \text { Variable conversion cost used } &\$48,000\\ \text { Fixed manufacturing cost} &\$72,000\\ \text { Indirect operating costs (fixed) } &\$80,000\\\end{array}$

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The variable costing operating income is:

A) $120,000
B) $140,000
C) $104,000
D) $128,000