Materials Manufacturing Overhead Work-in-Process 400 1,600 2,000 The effect on a company's operating income of discontinuing a product line with a contribution margin of $19,000 and allocated fixed costs of $35,000, of which $10,000 cannot be eliminated, would be: of Select one: a. Increase operating income by $6,000 . Increase operating income by $16.000 C. Increase operating income by $9,000 d. Increase operating income by $25,000 gestion 15 Under which of the following methods of cost allocation is there no distinction between fixed and variable costs? Lot yet answered Marked out of 100 Select one a standard cost method Flag question b. single-rate method