A manufacturer claims that the heat engine can do a work of 80 kJ by absorbing the heat of 250 kJ from the source. The provided heat engine is working between the temperatures is shown below. Source 237C Heat Engine sink 127 C W Statement (A): The claim of the manufacturer is incorrect. Reason (R): The actual efficiency of the heat engine is always less than the Carnot efficiency. (a) Both (A) and (R) true and (R) is the correct explanation of (A) (b) Both(A) and (R) true and (R) is not the correct explanation of (A) (c) (A) is false but (R) is true. (d) (A) is true but (R) is false.