A monatomic gas at a pressure of 12 kPa and volume 1 m^3 undergoes a thermodynamic cycle described by three processes:
i) It expands isobarically to 4 m^3, ii) it decreases in pressure isovolumetrically to 3 kPa, and iii) decreases in volume isothermally back to 1 m^3. What is the work done by this cycle?
a) 3.68 kJ b) 10.8 kJ c) 19.4 kJ d) 29.6 kJ e) 38.5 kJ