As per National Building Code of India, 2005, the maximum number of occupants per unit exit width of a doorway is 60, where unit exit width is 500 mm. The maximum permissible occupants in a theatre having four number of 2.2 m wide doors will be _________________

• A. 480 to 760
• B. 360 to 560
• C. 960 to 960
• D. None of the above