Answer:
Money plays the role as a store of value, a medium of exchange, as well as the unit cost of both the computer and vacation.
Step-by-step explanation:
Money is a generally accepted medium of exchange or as a means of payment for goods ad services. The value of a product or a service is determined by how much money people are willing to pay for it. Hence money is also a determinant of value.
From the question,
Shen has $1537 in his account, this is the store of value he is willing to exchange for either a computer or vacation.
As he cannot afford both, he measures the opportunity cost and chooses the computer over the vacation. his check of $1.299 with which he buys the computer is his medium of exchange with which he purchased the computer.
The costs of both of the vacation and computer is the unit cost of value p;aced on both of them