Cheeseburgers (x] ) cost $12.00 each. A cup of coffee (a2) costs $3.00. John's income is $560.00, and his preferences are represented by the utility function and29 . Hammad's income is $500.00, and his preferences are represented by the utility function and12. V 4th attempt See Hint Assuming that both John and Hammad are maximizing their utility, what is John's marginal rate of substitution? Round your answers to two decimal places. | What is Hammad's marginal rate of substitution