উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।
ব্যাখ্যা ও সঠিক সমাধান
উত্তর:
both a & b
As stated above, money primarily functions as a medium of exchange. However, it also has developed secondary functions that derive from its use as a medium of exchange. These other functions include: 1) a unit of account, 2) a store of value, and 3) a standard of deferred payment.