Where are you from? <a href=" http://pup.com/buy-caverta-in-india.pdf ">caverta 50 mg dosage</a> At its low, it plunged to more than $40 below WTI, caused in part by soaring oil-sands production and shale-oil output from the U.S. Bakken field, which straddles the U.S.-Canadian border. WTI has steadily held above $100 throughout the year, thanks in part to tensions in the Middle East.