Cole laboratories makes and sells a lawn fertilizer called Fastgro. The company has developed standard costs for one bag of Fastgro as follows: The company had no beginning inventories of any kind on Jan. 1. Variable overhead is applied to production on the basis of standard direct labor-hours. During January, the following activity was recorded by the company: Production of Fastgro: 4,000 bags Direct materials purchased: 85,000 pounds at a cost of $32,300 Direct labor worked: 390 hours at a cost of $4,875 Variable overhead incurred: $1,475 Inventory of direct materials on Jan. 31: 3,000 pounds 19. The materials price variance for January is: $1,300 U $1,640 U $1,640 F $1,700 F 20. The materials quantity variance for January is: $300 U $750 F $300 F $800 U 21. The labor rate variance for January is: $475 U $585 U $475 F $585 F 22. The labor efficiency variance for January is: $350 U $130 U $110 F $475 F 23. The total variance (both rate and efficiency) for variable overhead for January is: $100 U $40 F $85 F $125 F