Revenue = invoice total incl. GST, net of returns. License attach (iPhone) = iPhone licenses ÷ iPhone units. Trade-in attach = iPhone units billed with trade-in ÷ iPhone units. CRT attach = Mac + iPad units under a CRT / Student scheme ÷ Mac + iPad units. North = New Delhi, Gurugram, Noida, Ludhiana; Gujarat = Ahmedabad.