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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 $5.00 9,800 lb. at $4.80 Direct labor 1,900 hrs. at $16.50 1,940 hrs. at $16.90 Factory overhead Rates per direct labor hr., based on 100% of normal capacity of 1,980 direct labor hrs.: Variable cost, $3.80 $7,150 variable cost Fixed cost, $6.00 $11,880 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 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 $

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