I don't understand this purchases. can anyone please explain10:51:02 AM 0.140 90 12.60 10:49:02 AM 0.140 90 12.60 10:47:02 AM 0.140 100 14.00 10:45:02 AM 0.140 100 14.00 10:43:02 AM 0.140 110 15.40