Question from IELTS example test that made me puzzled The text related to the answer: Changes and refunds Tickets may be refunded not later than 5 minutes before the departure of the train for a charge of 15% of the ticket price, or the journey may be changed to another day for a charge of 10% of the ticket price. The test question: If travellers cancel their trip, they will usually receive back the ticket price less ________ , or they may change the date of their trip by paying _______ of the original value. Can someone help me to fill in gaps? Because my answers was appeared not correct as I found out about this later.