Cain Company and Abel Corporation have the following income…

Cain Company and Abel Corporation have the following income statements for the current year:     Cain Company Abel Corporation Sales $50,000 $50,000 Variable expenses   10,000   25,000 Contribution margin $40,000 $25,000 Fixed expenses   25,000   10,000 Operating income $15,000 $15,000 ​ What is the degree of operating leverage for Cain Company for the current year?