Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].Assertion [a]: In a power plant working on a Ranking cycle, the regenerative feed water heating improves the efficiency of the steam turbine.Reason [r]: The regenerative feed water heating raises the average temperature of heat addition in the Rankine cycle.

• A. Both [a] and [r] are true and [r] is the correct reason for [a].
• B. Both [a] and [r] are true but [r] is NOT the correct reason for [a].
• C. Both [a] and [r] are false
• D. [a] is false and [r] is true.