3. (12 points) Use the following table to answer the following questions (the book doesn't cover AFC and it's not particularly important - I include it here for completeness. AFC=FC ; Q TC VC FC MC ATC AVC AFC 0 50 ---- ---- ---- 1 10 2 7.50 25 4 22.50 a. What is the total cost of producing nothing, i.e. Q = 0? b. What is the variable cost of the 1s unit? C. What is the marginal cost of the 2nd unit? d. What is the average variable cost of the 3d unit? e. What is the total cost of the 4th unit? f. At what level of output do diminishing returns to production set in? 4. (10 points) Wolfsburg Wagon (WW) is a small automaker. The accompanying table shows WW's long-run average total cost. Quantity of Cars LRATC of a car $30,000 20,000 3 15,000 4 12,000 12,000 OU 12,000 14,000 18,000 a. For which levels of output does WW experience increasing returns to scale? b. For which levels of output does WW experience decreasing returns to scale? c. For which levels of output does WW experience constant returns to scale