Suppose two coffee snobs who must have their coffee and cream in exact proportions (each cup is 10 coffee per 1 unit cream) are invited to a weekend long event (during which they can easily consume 8 cups of coffee). Suppose Snob A is given 8 units of cream and Snob B is given 80 units of coffee. The contract curve in the Edgeworth box would be _______.
a. a right angle connecting the lower left corner with the upper right corner.
b. a curve (not a line) connecting the lower left corner with the upper right corner.
c. a line connecting the lower left corner with the upper right corner.
d. a right angle connecting the upper left corner with the lower right corner.