3. The city government is considering two tax proposals: a lump-sum tax of $300 on each producer of hamburgers a tax of $1 per burger, paid by producers of hamburgers a. Which of the following curves-average fixed cost, average variable cost, average total cost, and marginal cost-would shift as a result of the lump-sum tax? Why? Show this in a graph. Label the graph as precisely as possible. b. Which of these same four curves would shift as a result of the per-burger tax? Why? Show this in a new graph. Label the graph as precisely as possible