May I have the solutions, please?

4. Who bears more of the tax on an item that has a very inelastic demand curve? Include a diagram in your explanation. (6T)2. The following table contains data on prices of coffee and the assorted quantities that would be bought in a college cafeteria (15A) Price Quantity Elasticity Total Revenue Nature of Demand (cups) Coefficient (e or i) $0.20 800 XXXXXXXXX XXXXXXXXXX $0.30 700 $0.40 600 $0.50 500 $0.60 400 a. Use the arc formula to compute the price elasticity of demand for each change in price and fill in the elasticity column. You may use the back of this page for your calculations if necessary (4). b. Calculate total revenue at each price and fill in the total revenue column (5). c. State the nature of demand for each price change (4). d. Explain the relationship between the elasticity coefficient and total revenue (2)