The price of a large pizza decreased from $18.00to $14.00.As a result, the quantity demanded of skateboards increased from300.00to320.00.

Part 1(1point)

Using the midpoint formula, what is the percentage change observed for the price of a large pizza? Give your answer to two decimal places.

%

Part 2(1point)

Using the midpoint formula, what is the percentage change observed for the quantity demanded of skateboards? Give your answer to two decimal places.

%

Part 3(1point)

What is the cross-price elasticity of demand between pizzas and skateboards? Give your answer to two decimal places.