thumbs up if correct thanks!

The current futures for WTI Crude are show below. Each contract is for 1,000 barrels (bbl). Assume the spot price today, on 9/26/2016, is 45.25. Month Last price Change Open High Low Nov 2016 45.59 +1.11 44.62 46.20 44.43 Dec 2016 46.14 +1.07 45.18 46.76 45.01 Jan 2017 46.74 +1.05 45.83 47.35 45.62 Feb 2017 47.29 +1.01 46.65 47.91 46.22 Oct 2017 50.24 +1.15 49.71 50.55 49.71 You are an arbitrageur. You believe you can borrow/invest at the one year risk-free rate of 1.60%, store oil at 12%, and have a convenience yield of 2% per annum, all stated on a continuously compounded basis. What is your arbitrage-free price for an October 2017 futures contract? (Assume the Oct 2017 contract expires in 388 days.) Pick the best answer. 56.85 51.60 51.19 50.82