Which of the following statements is FALSE?
OA. A Giffen good must be such that the substitution effect outweighs the income effect for an inferior good.
O B. A Giffen good must be such that the income effect and the substitution effect move in opposite directions, and the income
effect outweighs the substitution effect.
OC. A Giffen good must be an inferior good.
O D.A Giffen good must have an upward-sloping demand curve.