Answer and Explanation:
In the given situation, it is mentioned that while travelling to another country you have two choices for paying at the time of booking or at the time of checking out. Now at Jan the person made a reservation for staying at Italy and completed the stay as on April 30th so here the change in inflation would be matters whether it is increasing or decreasing. It is better to pay off at advances as there is a chances that the price could rise in near future