Direct Materials, Direct Labor, and Factory Overhead Cost Variance Analysis Santiogo 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 74,000 units of product were as follows: Required: a. Determine the direct materials price variance, Jirect materials quantity variance, and totat direct materials cost variance Enter a favorable varuance as a negative number using a minus sign and an unfavorable variance as a pootive number: b. Determine the direct iabor rate variance, direct labor time variance, and total drect labor cost variance. Enter a favorable variance as a negative number using a minus son and an unfavorable variance as a positive number c. Determine the vanable factory overheod controlable vanance, fixed factory overthead volume variance, and tatal factory overhead cont vanancen. Enter a fevorable variance as a negative number wing a minus sign and an unfavorable variance as a positive number, c. Determine the variable factory overhead controllable variance, fixed factory overhead valume variance, and total factory overhead cost variance. Enter a favorable variance as a negative number using a minus sign and an unfovorable variance as a positive number. Variable factory overhead controliable vartance Fixed factory overhead volume variance Total factory overhead cost variance