glacier bicycle company manufactures commuter bicycles from recycled materials. the following data for october of the current year are available: quantity of direct labor used 710 hrs. actual rate for direct labor $13.50 per hr. bicycles completed in october 330 bicycles standard direct labor per bicycle 2 hrs. standard rate for direct labor $13.80 per hr. a. determine for october 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.