Which of the following is true?

Question 6 options:

1)	The volatility skew for equities is much more pronounced now than it was in 1985.
2)	The volatility skew for equities has a positive gradient
3)	The volatility skew for equities is consistent with the Black-Scholes-Merton model.
4)	The volatility skew for equities is similar to that for foreign currencies.