Direct Materials, Direct Laboc, and Factory Overhead Cost Varlance Analysis Mackinaw the. processes a base chemical into plastic. Standard costs and actual costs for direct materials, direct labor, and factory overhead incurred for the manufacture of 78,000 units of product were as follows: Each unis requires 0.25 hour of direct labor: Required: a. Determine the direct materials price variance, direct matenais quantify 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. Each unit requires 0.25 hour of direct laboc. Required: a. Determine the direct materiais price variance, direct materials quantity variance, and total direct materiais cost variance, Enter a favorable variance as a negative number using a minus sign and an unfavorable varlance as a positive number, b. Determine the direct labor rate vanance, direct labor time variance, and total direct labor cost variance. Enter a fovorable variance as a negative number using a fninus sign and an unfavorable variance as a positive number. C. Determine the variable factory overhead contreliabie variance, fived factory overhead volume variance, and total factory overhead cost variance. Enter a favorable varanch as a negative number using a minus sign and an unfovorable variance as a positive number