Hello there, I am having trouble answering this agricultural economics question. I am having an issue understanding the step by step process to answer the parts of the question. Here is an image of the question below.

1. Given current conditions and forecasts, it is expected that the price of municipal water will increase from $7.85 to $9.15 per unit. This increase in price will result in quantity demanded of municipal water declining from 7,867,320 to 7,435,579 units. 1. Calculate the Appropriate Elasticity 2. Interpret the Elasticity 3. How would you classify municipal water? 4. What do you expect to happen to consumer expenditures on municipal water