To make a little extra money for her family, Rhonda Keenum makes knitted bulldog caps for sale at football games. Monthly budget and actual results are as follows: Actual 125 Budget Sales in units 150 Sales Revenue $1,500 Direct Material 360 Direct Labor 750 $1.250 375 875 Depreciation 75 Commissions 180 What would be the flexible budget's contribution margin? $135 5210 $475 5175