TB MC Qu. 1-263 Bolka Corporation, a merchandising... Bolka Corporation, a merchandising company, reported the following results for October: Sales Cost of goods sold (all variable) Total variable selling expense Total fixed selling expense $ 447,000 $ 170,500 $ 20,100 $ 21,600 Total variable administrative expense Total fixed administrative expense 8,500 es 31,300 The gross margin for October is