E10-4B. Material, Labor, and Variable Overhead Variances The following summarized manufacturing Lo3, 4, 5 data relate to Brown Corporation's May 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: $14,080 Actual (6,400 lb.@$2.20/lb.) Direct labor: Standard (0.5 hr.$14/hr.) 13,015 Variable overhead: Standard (0.5 hr.@ $4/hr.) Actual . . 4.300 $31,395 $15 Total Determine the materials price and efficiency variances, labor rate and efficiency variances, and variable overhead spending and efficiency variances