A Carnot cycle operates between the temperature limits of 300 and 2000 K, and produces 600 kW of net power. The rate of entropy change of the working fluid during the heat addition process is
(a) 0
(b) 0.300 kW/K
(c) 0.353 kW/K
(d) 0.261 kW/K
(e) 2.0 kW/K