The commission rates paid by hotels in Australia had long been lower than the global average of 20 per cent to 25 per cent because Wotif had charged less than Booking.com owner Priceline and Expedia did overseas.
Refer to the input text as context and select the correct relationship between 'hotels' and 'Booking.com' from the available options.
Options: operator, platform, member of, product/material produced