(2) Nimbus Inc., makes brooms and then sells them door to door. (a) Fill in the column of Marginal Products. What pattern do you see? When does diminishing returns set in? (b) A worker costs $8.00 a day, and the firm has $100 in total fixed costs. Use this information to fill in the columns for Total Variable Cost, Total Fixed Cost, and Total Cost. (c) Fill in the columns for Average Variable Cost and Average Cost. What pattern do you see? (d) Now fill in the column for Marginal Cost. What pattern do you see?