Answer
Advantages:
1) hide your identity
2) spending by your choice
Disadvantages:
1) full record are not available
2) security affects
Work Step by Step
Advantages:
1) hide your identity:- In case of cash payment system it is difficult to tack the identity of the person who pay by using cash that's way it is easy to hide your identity in the cash payment system.
2) spending by your choice:- when you have money in cash you have impulse spending habits
Disadvantages:-
1) full record are not available:- difficult to track the reference of the person who pay in cash.
2) security affects:- there is lack of accountability if cash is lost or stolen.