Ivan receives an allowance from his parents of $10 each week. He spends his en2re allowance on two goods: ice cream cones (which cost $1 each) and 2ckets to the movies (which cost $5 each). a. calculate the opportunity cost of one movie in terms of an ice cream cone. b. Draw Ivan's consump2on possibili2es fron2er. And explain why the slope of the curve is constant? c. What happens to the consump2on possibili2es fron2er if Ivan's allowance changes to $15?