Input (grade 7): Heathrow Terminal 5 was built exclusively for the use of British Airways at a cost of # 4.3 billion and officially opened by Queen Elizabeth II on 14 March 2008.
Output (grade 4): It opened on 14 March 2008 by the Queen of England, Queen Elizabeth II and it cost # 4.3 billion to build which is about $6.2 billion.