Check r Company A is a manufacturer with current sales of $2,900,000 and a 50% contribution margin. Its Company B is a consulting firm with current service revenues of $3,000,000 and a 20% contribution margin, its fixed costs equ $90,000. Compute the degree of operating leverage (DOL) for each company. fixed costs equal S960,000. al Contribution Margin Income Statement Company B Deg ting Leverage Numerator Denominator Ratio Degree of Operating Leverage Company A Company B