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 laber, and factory overhead incurred for the manufacture of 78,000 units of product were as follows: Standard Costs Actual Costs 231,700 lbs. at $5.00 Direct materials 234,000 lbs. at $5.10 Direct labor Factory overhead 19,500 hrs. at $18.60 19,950 hrs. at $19.00 Rates per direct labor hr.. based on 100% of normal capacity of 20,350 direct labor hrs.: Variable cost, $3.90 Fixed cost, $6.20 $75,290 variable cost $126,170 fixed cost Each unit requires 0.25 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 Materials Price Variance Direct Materials Quantity Variance Total Direct Materials Cost Variance 000 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 Direct Labor Time Variance Total Direct Labor Cost Variance e. Determine the vanable factory overhead controlatie variance, fixed factory overhead volume variance, and total factory overhead cost variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number Variable factory overhead controllable variance Fixed factory overhead volume variance Total factory overhead cost variance 000