The opportunity cost of holding money is zero the interest r

The opportunity cost of holding money is: zero the interest rate when someone uses a credit card. the difference between interest rates on monetary assets and on nonmonetary assets the discount rate.

Solution

The opportunity cost of holding money is the cost incurred due to non investment and holding money in hand all in all. And according to the options, it\'s the difference in interest in monetary as well as non monetary assets all in all.

Therefore (c) the difference between interest rates on monetary assets and non monetary assets all in all is the answer