The records of Heritage Home Supplies show the following for July. Standard direct labor-hours allowed per unit of output Standard variable overhead rate per standard direct labor-hour Good units produced Actual direct labor-hours worked Actual total direct labor cost Direct labor efficiency variance Actual variable overhead Required: Compute the direct labor and variable overhead price and efficiency variances. 4 $ 28 3,480 13,475 $ 494,000 $ 16,554 F $ 377,300 Note: Do not round Intermediate calculations. Indicate the effect of each varlance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option. Direct labor: Price variance Efficiency variance Variable overhead: Price variance Efficiency variance