The table shows the average income of households and the quantity demanded of pineapple and mango at different prices and levels of income.

Year Average Income Price of Pineapple Quantity of Pineapple Price of mango Quantity of mango

1 42,000 2.50 105 16 730

2 42,000 2.90 100 16 700

3 42,000 2.90 95 28 670

4 48,000 2.90 105 28 710

a) What is the price elasticity of demand for pineapple between years 1 and 2?Round your answers to 2 decimal places.

b) What is the price elasticity of demand for mango between years 2 and 3?Round your answers to 2 decimal places.

c) What is the income elasticity of demand for pineapple between years 3 and 4?Round your answers to 2 decimal places.

d) What is the income elasticity of demand for mango between years 3 and 4?Round your answers to 2 decimal places.

e) What is the cross-elasticity of demand of pineapple for a change in the price of mango between years 2 and 3?Round your answers to 2 decimal places and remember to enter a minus (-) sign to indicate negative values.