Under the contribution income statement, a company's contribution margin will be lower if? O Fixed selling, general and administrative expenses decrease O Variable manufacturing overhead decrease. Fixed manufacturing overhead costs decrease. O Variable manufacturing overhead costs increase. Zustomer service department follows up on customer complaints by telephone inquiry. During a recent period, the department initiated 6000 calls and incurred costs of $180.000, if 2.250 of these calls were for the company's wholesale operation the remainder were for the retail division costs allocated to the retail division should amount to O $67.500 O $112.500 $247,500 O$180,000