Answer:
In the first instance money serves as Measure of Value, while in the second instance money serves as Medium of Exchange.
Step-by-step explanation:
The measure of value and medium of exchange are two of the functions of money which are explained as follows:
a) Measure of Value
The function of money as a measure of value permits all goods and services to be attached prices. That is, every commodity is valued in terms of money. Therefore, money gives the opportunity to compare values of goods and services. Measure of value is also referred to as a unit of value.
From the question, the function of money as a measure of value is what permits Seven-11 to quote a super Slurpee as $1.39.
b) Medium of exchange
The function of money as a medium of exchange provides the opportunity use money as an intermediary instrument in order to ensure goods and services purchased, sold or traded between parties at a standard value. This is different from what obtained under the trade by barter in which commodities had to be exchanged for commodities without any standard value.
From the question, the function of money as a medium of exchange allows an amount of $1.39 which is a standard value was exchanged for the super Slurpee.