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12. Rufus runs a skunk-skinning service in West Virginia. He employs skinners at a wage rate of $240 a week for each one. He leases the shack where his workers work for $200 per week. The rent is fixed for the next two years. Last week his 10 employees managed to skin a total of 300 skunks. a. What is the average product of labor for Rufus's company? 30 b. What is Rufus' total variable cost per week? $440 c. What is the average variable cost for Rufus's company? 44 d. If Rufus adds his brother Jethro to his staff, at a wage rate of $240 a week, and his company can now skin 310 skunks per week, what is Rufus's new average variable cost