companies a and b are identical except for cost structure. at a volume of 50,000 units, the companies have equal net incomes. at 60,000 units, company b's net income would substantially be higher than a's. based on this information: multiple choice company b's cost structure has higher fixed costs than a's more than one answer above is correct at a volume of 50,000 units, company b's operating leverage is lower than a's company b's cost structure has lower fixed costs than a's company a's contribution margin per unit is identical to that of company b