Complex sentence: Calls to the customer service department cost 0.95 EUR per minute, according to Wizz Air's homepage, and controversially Wizz Air also maintains that it takes up to 30 days to process customer complaint emails.
Split into simpler sentences: Calls to the customer service department cost 0.95 EUR per minute, according to Wizz Air's homepage. Controversially, Wizz Air maintains that it takes up to 30 days to process customer complaint emails.