This is why we CA students take multiple attempts to clear the exams. I am also culprit of the same crime.
Those who are giving long explanations are going too far.
Questions say " This has been done" Whether right or wrong, please tell which method has been followed.
Every IPCC, Final student know what will be the right valuation method.But sadly, question does not ask that.
Again, it simply says, This has been done, Tell, What valuation method followed.
So, answer remains (c) Realisable Value
To prove the point, here is ICAI , CPT Accounts,Study material Chapter 1.
Please go to page 74-75, Question 1( iii), and check the answer yourself.