Direct Materials, Direct Labor, and Factory Ovethead Cont Variance Analysls Santiago Inc. processes a base chemical into plastic. Standard costs and actual costs for direct materials, direct labor; and foctory overhead incurred for the manufacture of 74,000 units of product were as follows: Required: a. Determine the direct materials price vanance, direct materials quantity variance, and total direct materiais cost variance. Enter a favorable variance as a negative number using a minus sign and an unfovorabie variance as a positive number. Each unit requires 0.25 hour of direct labor. Required: a. Determine the direct materlals price variance, direct materials quantity varlance, and total direct materials cont varionce. Enter a favorable variance as a negatlve 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 fovorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. c. Determine the varioble factory overhead controllabie variance, fixed factory overhead volume varlance, and total foctory overhead cost variance, Enter a favorabie variance as a nogative number using a minus sign and an unfavorabie variance as a positive number