A call with a strike price of $60 costs $6. A put with the same strike price and expiration date costs $4. A trader creates a straddle by buying a call option and a put option, and holds it until maturity. For which of the following ranges of the stock price at maturity, the profit of the strategy is positive?
A. $50 ≤ ST ≤ $70
B. $54 ≤ ST ≤ $64
C. ST ≤ $50 and ST ≥ $70
D. ST ≤ $54 and ST ≥ $64
E. ST ≤ $56 and ST ≥ $66