Suppose that James and Staniel have each decided to allocated RM1000 per year to an entertainment budget in the form of hockey games or rock concerts. They both like hockey games and rock concerts and will choose to consume positive quantities of both goods. However, they differ substantially in their preference for theses two forms of entertainment. James prefer hockey games to rock concerts, while Staniel prefers rock concert to hockey games.

a.Draw a set of indifference curve for James and a second set for Staniel

b.Using the concept of marginal rate of substitution, explain why the two sets of curves different from others.