Direct Materiais, Direct Labor, and Factory Overheed 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 40,000 units of product were as follows: Required: a. Determine the direct materials price variance, direct materials quantity variance, to 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. b. Determine the direct labor rate venance, 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. 3 more Check My Work uses remaining Each unit requires 0.3 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 ne number using a minus sign and an unfavorable variance as a positive number. 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 minus sign and an unfavorable variance as a positive number. c. Determine the variable factory overhead controliable variance, fixed factory overhd volume variance, and total factory overhead cost variance. Enter a favorabi variance as a negative number using a minus sign and an unfavorable variance as a positive number