Assertion(A) : the facility of demand deposit Make it possible to settle payments without the use of cash .
Reason (R): demand deposit are paper order which make it possible to transfer money from one person's account to another person's account.
Options-
(a) if both a and r are correct and r is correct explanation of a.
(b)if both a and r are correct but r is not correct explanation of a
(c) if a is true but r is false
(d) both a and r are false