Kate's money income is $350, the price of X is $4, and the price of Y is $6. Given these prices and income, Kate buys 50 units of X and 25 units of Y. Call this combination of X and Y bundle J. At bundle J, Kate's MRS is 3. At bundle J, if Kate increases consumption of Y by 1 unit, how many units of X can she give up and still reach the same level of utility