I need help answering all these questions!

Note: Keep as much precision as possible during your calculations. Your final answer should be accurate to at least two decimal places. a) What is the slope of the demand curve? b) What is the elasticity of demand between points a and b? Elasticity of Demand = I c) What is the elasticity of demand between points 0 and d? Elasticity of Demand = I d) At what price is the elasticity of demand equal to 1? Price = $I e) At what price would consumers spend the most on this product? Price = $I f) Between what prices is demand elastic? Between $I and $I l