There are three firms in an economy: A, B, and C. Firm A buys $350 worth of goods from firm B and $150 worth of goods from firm C, and produces 250 units of output, which it sells at $4 per unit. Firm B buys $200 worth of goods from firm A and nothing from firm C, and produces 250 units of output, which it sells at $6 per unit. Firm C buys $300 worth of goods from firm A and $100 worth of goods from firm B. It produces output worth $800. All other products are sold to consumers. Instructions: Round your answers to the nearest whole dollar amount. a) Calculate GDP. GDP = $ b) If a value-added tax (a tax on the total value added by each firm) of 15 percent is introduced, how much revenue will the government get? Revenue $ c) How much would government get if it introduced a 15 percent income tax? Revenue $ d) How much would government get if it introduced a 15 percent sales tax on final output? Instructions: Round your answer to the nearest whole dollar amount. $