Answer:
Role of Money is given below as Unit of Account , Store of value and Medium of Exchange
Step-by-step explanation:
given data
computer priced = $1,299
vacation priced = $750
his checking account = $1,537
to find out
Role of Money
solution
here Brian is easily determine price difference that the computer priced is more than the price of the vacation = Unit of Account
as money being the standardize measure price of 2 unit
and
Brian checking account is $1,537 this is = Store of value
as money is stored in his account, that can be used later for any purpose
and
as Brian write check is $1,299 so it is = Medium of Exchange
as money is used to exchange with the computer