value: 6.00 points Fabio Corporation is considering eliminating a department that has a contribution margin of $23,000 and $77,000 in fixed costs. Of the fixed costs, $22,500 cannot be avolded. The effect of eliminating this department on Fablo's overall net operating income would be: O an increase of $31,500 O a decrease of $54,000. O an increase of $54,000. a decrease of $31,500