E9A07 - Amateur Extra Class

E9A07 : What is the effective isotropic radiated power (EIRP) of a repeater station with 200 watts transmitter power output, 2 dB feed line loss, 2.8 dB duplexer loss, 1.2 dB circulator loss, and 7 dBi antenna gain?
A 159 watts
B 252 watts
C 632 watts
D 63.2 watts
Correct Answer: 252 watts