Ali owns a pump of water in his village. Since pumping large amounts of water is harder than pumping small amounts, the cost of producing a bottle of water increases as he pumps more. Here is the cost he incurs to produce each bottle of water: Cost of first water bottle $1 Cost of second water bottle 3 Cost of third water bottle 5 Cost of fourth water bottle 7 a. From this information, derive Ali's supply schedule. Graph his supply curve for bottled water. b. If the price of a bottle of water is $4, how many bottles does Ali produce and sell? How much producer surplus does Ali get from these sales? Show Ali's producer surplus in your graph. c. If the price rises to $6, how does quantity supplied change? How does Ali's producer surplus change? Show these changes in your graph