Exercise D2-14 Complete each of the following contribution format income statements by supplying the missing numbers. b. C. d. $501,200 s $686,564 Sales revenue Variable expenses Contribution margin Fixed expenses Operating income Income taxes Net income 289,244 99,016 117,004 165,536 480,240 88,648 157,972 17,595 23,066 25,168 58,690 $12,317s $75,504 $176,070