16-28. variable cost variances: Sills, Inc. The following data reflect the current months activity for Sills, Inc. Actual total direct labor. $546,000 Actual hours worked.. 26,000 Standard labor-hours allowed for actual output (flexible budget..27, 000 Direct labor price variance.. $19,500U Actual variable overhead. $132,600 Standard variable overhead rate per standard direct labor-hour.. $5.25 Variable overhead is applied based on standard direct labor-hours allowed. Required: Compute the labor and variable overhead price and efficiency variances. Show calculations