Kumagai Manufacturing had the following information available for July: Flexible Budget Variance Master Flexible Budget Sales Activity Variance 1,0000 ? Actual Results 13,000 ? Budget ? ? $17,300F ? ? Units Sales revenue Less: Variable manufacturing costs Variable marketing and administrative Contribution margin $90,000 $98,000 ? $ 123,000 ? $ 3,000U ? $3,700F $ 39,000 $58,000 ? ? $6,9000 ? What was Kumagai's flexible budget contribution margin for July? Multiple Choice $58,000