The following information is available for Barnes Company for the fiscal year ended December 31: Beginning finished goods inventory in units Units produced Units sold Sales 0 8,200 5,700 $ 1,368,000 164,000 Variable conversion cost used $ 82,000 Fixed manufacturing cost $ 820,000 Indirect operating costs (fixed) $ 88,500 Materials cost The variable costing operating income is: Multiple Choice $300,500 $288,500 $264,500. $280,500