Figure: the Indifference Curve Map II

Figure: The Indifference Curve Map II
(Figure: The Indifference Curve Map II) Look at the figure The Indifference Curve Map II.Sara enjoys attending Chicago Cubs' baseball games and eating babyback rib dinners.The figure shows two of her indifference curves for Cubs' tickets and babyback rib dinners.If she consumes 20 baby back rib dinners and 4 tickets to Cubs' games, she would be equally happy to give up 8 dinners for
________ more ticket(s) to Cubs' games.

A) 1
B) 0.5
C) 2
D) 4