Solve the below problem:
Q: A refrigerator has a second-law efficiency of 45 percent, and heat is removed from the refrigerated space at a rate of 200 Btu/min. If the space is maintained at 35°F while the surrounding air temperature is 75°F, determine the power input to the refrigerator. You should include all the units which are needed to complete the given problem.Your calculation and steps should be clear and understandable.