E10-4A. Material, Labor, and Variable Overhead Variances The following summarized manufacturing data relate to Thomas Corporation's April operations, during which 2,000 finished units of product were produced. Normal monthly capacity is 1,100 direct labor hours Standard Unit Costs Total Actual Costs Direct material: Standard (2 lb. @ $9??.) $18 $42,840 Direct labor Standard (0.5 hr. @ $24/hr.) 12 22,230 Variable overhead 3 6,450 $71,520 $33 Determine the materials price and efficiency variances, labor rate and eficiency variances, and variable overhead spending and efficiency variances