Question: (A) Starbucks:
If the price of Starbucks coffee increase from $4 to $6, the quantity purchased decreases from 1,000 to 500. Using middle point elasticity formula to calculate the elasticity of demand of Starbucks coffee.
(B) Dunkin Donuts:
The initial price of a cup of coffee is $1, and at that price, 400 cups are demanded. If the price falls to $0.90, the quantity demanded will increase to 500.
Calculate the price elasticity of demand for coffee for Dunkin Donuts.