There are two different raffles you can enter. In raffle A, one ticket will win a $180 prize, four tickets will win a $160 prize, fifteen tickets will win a $50 prize, and the other tickets will win nothing. There are 125 in the raffle, each costing $17. In raffle B, one ticket out of 200 will win a $940 prize, and one ticket will win a $680 prize. The other tickets will win nothing. Each ticket costs $18. Which raffle is a better deal?