Mackinaw Inc. processes a base chemical Into plastic. Standard costs and actual costs for direct materlals, direct labor, and factory overhead Incurred for the manufacture of 70,000 unlts of product were as follows: Standard Costs Actual Costs Direct materials DIrect labor Factory overhead 231,000 lbs. at s4.90 17,500 hrs. at $18.10 Rates per direct labor hr., based on 100% of normal capacity of 18,260 direct labor hrs. 228,700 lbs. at 4.80 17,900 hrs. at ?18.30 Variable cost, $4.40 $76,230 variable cost Fixed cost, $7.00 $127,820 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 Material Price Variance Direct Materials Quantity varlance Total Direct Materials Cost Variance b. Determine the direct labor rate varlance, direct labor time varlance, and total direct labor cost varlance. Enter a favorable varlance as a negative number using a minus sign and an unfavorable varlance as a positive number Direct Labor Rate Variance Direct Labor Time Variance Total Direct Labor Cost Varlance 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 Flxed factory overhead volume varlance Total factory overhead cost variance