mitchell's money income is $150, the price of x is $2, and the price of y is $2. given these prices and income, mitchell buys 50 units of x and 25 units of y. call this combination of x and y bundle j. at bundle j, mitchell's mrs is 2. at bundle j, if mitchell increases consumption of y by 1 unit, how many units of x can he give up and still reach the same level of utility?