The following data reflect the current month's activity for Vickers Corporation: $640.210 36,500 35,100 Actual total direct labor Actual hours worked Standard labor-hours allowed for actual output (flexible budget) Actual variable overhead Standard variable overhead rate per standard direct labor-hour $155,650 4.30 Variable overhead is applied based on standard direct labor-hours allowed. Required: Compute the labor and variable overhead price and efficiency variances. (Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Direct labor: 16,790F Price variance 25,200 U Efficiency variance Variable overhead: 1,300 t Price variance Efficiency variance