Suppose Glaswegians have a given income and like weekend trips to the Highlands, which are a…

Suppose Glaswegians have a given income and like weekend trips to the Highlands, which are a three-hour drive away. (a) If the price of petrol doubles, what is the effect on the demand for trips to the Highlands? Discuss both income and substitution effects. (b) What happens to the demand for Highland hotel rooms?