Suppose That the Two Persons in an Exchange Economy (A $\begin{array} { l } U _ { A } = x + 2 y \\U _ { B } = \sqrt { x y }\end{array}$

Multiple Choice

Suppose that the two persons in an exchange economy (A and B) have utility functions given by $\begin{array} { l } U _ { A } = x + 2 y \\U _ { B } = \sqrt { x y }\end{array}$ Along the contract curve,B's ratio of Y to X will be

A) 2:1.
B) 1:1.
C) 1:2.
D) between 1:1 and 1:2.