ome X Blackboard Learn X CengageNOWv2 | Onl X 9 New Tab X u Account Settings X u Wordtune Editor X + n/takeAssignment/takeAssignmentMain.do?invoker=&takeAssignmentSessionLocator=&inprogress=false E Upda Ruby Company produces a chair that requires 4 yards of material per unit. The standard price of one yard of material is $14.70. During the month, 8,000 chairs were manufactured, using 31,400 yards at a cost of $15.58 per yard. Enter favorable variances as negative numbers. (a) Determine the price variance. (b) Determine the quantity variance. (c) Determine the cost variance. O