Given the document below, you have to determine if "Yes" or "No", the summary is factually consistent with the document.

Document:
While 7% of people underpay and could be fined, 13% are paying too much. The Office of Rail and Road (ORR) wants train companies to refund passengers who accidentally buy tickets that are too expensive for their journey. Train operators said that vending machines were designed for simple ticket requirements. They say plans to simplify fares will help them to give clearer information on ticket machines. The ORR employed mystery shoppers to buy rail tickets from machines. "Despite investment in new technology and the removal of jargon from ticket machines, our new research shows passengers may be paying more for their journey than necessary," said NAME_1, ORR director of railway markets and economics. "We are calling on train companies to commit to refund anyone who finds that they could have bought a cheaper ticket for the same journey," he added. Rail operators C2C and Scotrail already have a price

Summary:
1. More than a quarter of rail passengers are paying more for their journey than they need to, according to new research.

Is the summary factually consistent with the document? (Yes/No)
Start your answer explicitly with "Yes" or "No", and if you answer no, explain which sentence is inconsistent and why.
