Which of the following is the formula for calculating EIRP?

Which of the following is the formula for calculating EIRP?
A . BTS max. transmit power -BTS combiner and jumper loss -BTS feeder and connector loss -BTS antenna gain
B. BTS max. transmit power -BTS combiner toss
C. BTS max. transmit power – BTS combiner and jumper loss -BTS feeder and connector loss
D. None of the above is true

Answer: A