In 2000 Emmitt buys cans of tuna (x) and cans of salmon (y). His preferences on tuna (x) and salmon (y) can be represented by the utility function U(x,y) = ln x 2 ln y. a) If the price of a can of tuna is Px, the price of a can of salmon is Py and he has $I to spend each week on tuna and salmon then find his demand functions for tuna and salmon. b) Suppose that Px = $4, Py = $8 and I = $120. Using your answer to (a) find his demands for tuna and salmon. Illustrate your answer in a diagram. Include an indifference curve through his best bundle