2. The following table gives data, in kJ, for a system undergoing a thermodynamic cycle consisting of four processes in series. For the cycle, kinetic and potential energy effects can be neglected. Determine (a) The missing table entries, each in kJ. (b) Whether the cycle is a power cycle or a refrigeration Process AU Q W 1-2 600 -600 2-3 -1300 3-4 -700 0 4-1 500 700