Direct Materials, Direct Labor, and Factory Overhead Cost Variance Analysis Mackinaw Inc. processes a base chemical into plastic. Standard costs and actual costs for direct materials, direct labor, and factory overhead incurred for the manufacture of 40,000 units of product were as follows: Standard Costs Actual Costs Direct materials 120,000 lbs. at $3.20 per lb. 118,500 lbs. at $3.25 per lb. Direct labor 12,000 hrs. at $24.40 per hr. 11,700 hrs. at $25.00 per hr Factory overhead Rates per direct labor hr, based on 100% of normal capacity of 15,000 direct labor hrs.: Variable cost, $8.00 Fixed cost, $10.00 $91,200 variable cost $150,000 fixed cost Each unit requires 0.3 hour of direct labor. Required: a. Determine the direct materials price variance, direct materials quantity variance, and total direct materials cost variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. Direct Material Price Variance Direct Materials Quantity Variance 5,920 x 4,800 x 1,120 x Unfavorable Favorable Unfavorable Total Direct Materials Cost Variance b. Determine the direct labor rate variance, direct labor time variance, and total direct labor cost variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number Direct Labor Rate Variance 7,320 X Favorable X