In the following question, two columns are given, containing three phrases each. A phrase from the first column may or may not connect with a phrase from the second column to make a grammatically and contextually correct sentence. There are five options, four of which display the sequence(s) in which the phrases can be joined to form a correct sentence. If none of the phrases make a correct sentence, mark ‘None of these’ as your answer.

Column (1)	Column (2)
(A) In mathematics, the discount factor is	(D) a calculation of the present value of future happiness.
(B) The discount factor is a weighting term	(E) that multiplies future happiness, income, and losses.
(C) It is used to determine the factor by which money is	(F) to be multiplied to get the net present value of a good or service.