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Introduction to theory of the Firm, Firm Costs and Introduction to Perfectly Competitive Firms Question 1: Using Excel, fill out the rest of this table about the Costs at Selena's Gourmet Salsas Question 2: Using the graphing function in Excel, graph the FC line, the VC line and the TC line. Explain why each line looks like it does. Question 3: Define Fixed Costs. Why is FC 400 when the quantity produced is zero? Question 4: Define variable costs. What is the Variable Cost when the quantity produced is zero? Question 5: Define marginal cost? If you were to graph it, what would it look like? Question 6: Using Excel, fill out the rest of this table about the Average Costs for Solons's Conrmet Question 7: Using the graphing function in Excel, graph the FC line, the VCline and the TC line. Explain why each line looks like it does. Question 8: Define Average total costs. Why is this line U-shaped? Question 9: Define Average Fixed costs. Why is the line downward sloping? Question 10: Define Average Variable costs. Why is that line upward sloping