GATE Electronics and Communications (EC) 2017 Shift 2 Solved Paper

The unmodulated carrier power in an AM transmitter is 5 kW. This  carrier is modulated by a sinusoidal modulating signal. The maximum percentage of modulation is 50%. If it is reduced to 40%, then the maximum unmodulated carrier power (in kW) that can be used without overloading the transmitter is _________