Harry bought a bag of 10 pound flour for \$80, a bag of 25 pound flour for \$150 and a bag of 50 pound flour. If the average (arithmetic mean) cost of the flour in all three bags was \$6.00 per pound, what was the price of the bag of 50 pound flour?
(A)\$200.00 (B)\$237.50 (C)\$230.00 (D)\$235.50 (E)\$280.00
E