Fabio Corporation is considering eliminating a department that has a contribution margin of $31,000 and $62,000 in fixed costs. Of the fixed costs, $15,500 cannot be avoided. The effect of eliminating this department on Fablo's overall net operating income would be: an increase of $15,500. an increase of $31,000. a decrease of $15,500. O a decrease of $31.000. CORO MAS