The following data reflect the current month's activity for Vickers Corporation. Actual total direct labor Actual hours worked Standard labor hours allowed for actual output (flexible budget) Direct labor price variance Actual variable overhead Standard variable overhead rate per standard direct labor-hour $641,305 36,500 35,200 $ 15,695 F $155,850 $ 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 varionce by favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Direct labor Price variance Efficiency variance Vanable overhead Prico variance Efficiency vanance