There is a hotel in Imatra (Finland) which is very close to Russian
border. The demand function of Finnish consumers for this hotel is
Q = 1000 - P. The demand function of Russian consumers for this
hotel would be Q = 2000 - P if they had not travel to Imatra, but
they have to travel and cost of travelling is 200. MC of hotel is
100 for one visitor. Find the difference of profits with price
discrimination and without price discrimination.