Dee Daw Co. provides the following results of April’s operations: F indicates favorable and U indicates unfavorable. Applying the management by exception approach, which of the variances are of greatest concern? Why?

Direct materials price variance  

$ 400 F

Direct materials quantity variance

2,000 U

Direct labor rate variance      

100 U

Direct labor efficiency variance  

1,200 F

Controllable overhead variance  

400 U

Fixed overhead volume variance 

600 F