Riverside Manufacturing designs and manufactures bathtubs for home and commercial applications, Riverside recorded the following data for its commercial bathtub production line during the month of March: Standard DL hours per tub 2 Standard variable overhead rate per DL hour $6.50 Standard variable overhead cost per unit $13.00 Actual variable overhead costs $17,200 Actual DL hours 2,150 Actual variable overhead cost per DL hour $8.00 Actual tubs produced 1,100 What is the variable manufacturing overhead rate variance in March? OA. $3,225 unfavorable OB. $325 favorable C. $325 unfavorable OD. $3,225 favorable View instructor tip 2 360 #3 Q W LLI E C 80 " $ 74 30 www 74 95 % FO R T 66 Time Remaining: 02:12:10 Next > & 7 W 100 97 Crit TO 2 U 8 9