You pay $10 to play the following game of chance. There is a bag containing 12 balls: 6 are red, 3 are green, and the rest are yellow. You are to draw one ball from the bag. You will win $12 if you draw a red ball, and you will win $14 if you draw a yellow ball. You will win nothing if you draw a green ball. How much do you expect to win or lose if you play this game 100 times?