Which of the Following Statements Are True

Multiple Choice

Which of the following statements are true?
i. higher indifference curves are preferred to lower ones
ii. indifference curves are always downwards sloping
iii. indifference curves are always bowed inwards (convex)

A) (i) and (ii) only
B) (ii) and (iii) only
C) (i) and (iii) only
D) (i) , (ii) and (iii)