3 Question 20 (Mandatory) (3 points) The effect on a company's operating income of discontinuing a department with a contribution margin of $17,000 and allocated fixed cost of $32,000 of which $14,000 cannot be eliminated would be to: increase operating income by $18,000. decrease operating income by $18,000. 7 decrease operating income by $1,000. increase operating income by $1,000. Previous Page 11 Next Page Page 5 of 6