Oil prices drop to 77dollars a barrelOil prices dropped to 77 dollars a barrel in Asian trade today. New York's light sweet crude was down 43 cents to 77.07 dollars a barrel in morning trade. London's Brent North Sea crude lost 35 cents to 75.78 dollars a barrel. Analysts said falling consumer confidence in the United States and the growing likelihood of double-dip in house prices has put a further dent in the already deteriorating outlook for consumption growth.