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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 7,600 units of product were as follows: Standard Costs Actual Costs Direct materials 9,900 lb. at $5.50 9,800 lb. at $5.30 Direct labor 1,900 hrs. at $18.40 1,940 hrs. at $18.60 Factory overhead Rates per direct labor hr., based on 100% of normal capacity of 1,980 direct labor hrs.: Variable cost, $2.80 $5,270 variable cost Fixed cost, $4.40 $8,712 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 1,960 X Favorable v Direct materials quantity variance 550 X Favorable v Total direct materials cost variance 2,510 X Favorable v 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 c. Determine variable factory overhead controllable variance, the 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