Elle owns an ice cream parlour. In an hour she can produce 24 milkshakes or 96 ice cream sundaes. Bonnie also owns an ice cream parlour. In an hour she can produce 12 milkshakes or 12 ice cream sundaes. Calculate Elle's and Bonnie's opportunity cost of producing a milkshake. Elle's opportunity cost of producing 1 milkshake is ice cream sundaes. Bonnie's opportunity cost of producing 1 milkshake is ice cream sundaes. has a comparative advantage in milkshakes and has an absolute advantage in both goods. O A. Bonnie; Elle O B. Bonnie; neither O C. Elle; Bonnie O D. Elle; Elle