Theory for costing FM

obviously

Yes it is enough if you have conceptual clarity and in case if you want further reading you can refer study material in case you have sufficient time too

Sahil. I attempted both the theory questions in my costing exams it's simply you should take past 10 attempt papers and see that theory only many times institute goes this way only you will definitely see that trend when you research and Also do rtp theory of last 4 attempts no need to go for whole book . I hope this helps .you are free to choose .