ial_browser=0&launchUrl=https%253A%25 Bolka Corporation, a merchandising company, reported the following results for October. Sales $ 433, 000 Cost of goods sold (all variable) $ 174, 800 Total variable selling expense $ 25, 600 Total fixed selling expense $ 15, 100 Total variable administrative expense $ 14, 800 Total fixed administrative expense $ 31, 400 The contribution margin for October is: Multiple Choice $217,800 $386,500 O $258,200 O $171,300