Sticky Polymers 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 10,750 units of product were as follows: Each unit requires 0.4 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. Price variance $ 1750 Quantity variance $ 2400 Total direct materials cost variance $ 320 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. Rate variance $ 1680 Time variance $ 2000 Total direct labor cost variance $ 1117 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 $ 400 Fixed factory overhead volume variance $ 600 Total factory overhead cost variance $ 200