1.Calculate the cross-price elasticity for the

following goods. Are they substitutes or complements?

       a. The price
of movie theatre tickets goes up by 10 per cent, causing the quantity demanded
for video rentals to go up by 4 per cent.

       b. Computer prices fall by 20 per cent,
causing the quantity demanded of software to increase by 15 per cent.

       c. The price of
apples falls by 5 per cent, causing the quantity demanded of pears to fall by 5
per cent.

        d. The price of ice cream falls by 6 per
cent, causing the quantity demanded of frozen yogurt to fall by 1 per cent.       

1.Calculate the cross-price elasticity for the