Two suppliers are available for one of the supplies used in Leslie's manufacturing process. One supplier is priced substantially lower, but when product is purchased, it seems that labor costs go up. Which supplier should Leslie use? O Leslie should buy the more expensive supply, since labor costs are lower when it is used. O Leslie should purchase the less expensive supply to save money. Leslie should compare the variable overhead using each of the supplier's product and determine which one leads to the lowest total variable overhead cost