Attached.

Second law of thermodynamics:
There are two statements in the second law of thermodynamics.
According to Kelvin Plank's statement, a system working on a single thermal reservoir cannot
produce an equal amount of work.
According to Clausius's statement, in simple words, the heat always flows from a higher
temperature body to a lower temperature body between two objects.

To solve this problem, consider two refrigerators A with completely reversible ...