Answers
Saving is a portion of disposable income that is not consumed and value of savings would be disposable income minus all the expenditures and therefore in this regard
(C) is the answer to this question
Because it is not a part of disposable income and not related to consumption
(A,B,D) are wrong.
Saving is a flow variable because it is a total amount in a particular period of time measured while savings is a stock variable because it is an accumulation
Therefore (D) is the answer
Because savings account and savings are totally different and saving is a flow variable while savings is a stock variable
(A,B,C) are wrong
.