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Direct Materials, Direct Labor, and Factory Overhead Cost Variance Analysis Santiago 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 70,000 units of product were as follows: Direct materials Direct labor Factory overhead Standard Costs 231,000 lbs. at $5.90 per lb. 17,500 hrs. at $17.00 per hr. Rates per direct labor hr., based on 100% of normal capacity of 18,260 direct labor hrs.: Variable cost, $3.90 Fixed cost, $6.20 Actual Costs 228,700 lbs. at $5.70 per lb. 17,900 hrs. at $17.30 per hr. $67,570 variable cost $113,212 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 the variable factory overhead controllable 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