A reversible device that works between two thermal reservoirs, (A and B), and is used in two different configurations as illustrated below. Reservoirs A and B are maintained at 4700 K and 20 C respectively. The devices in both configurations absorb an equal amount of heat of 20 kW from one of the reservoirs. Determine the work energy transfer, and thermal efficiency/COP for the device as per their mode of operation. (Provide the sketch and show the direction of energy flow on the sketch) A, XK QA = 20 kW B, Y C Configuration - 1 A, XK QA = 20 kW B, Y C Configuration - II