You bought two new cds with the last 30 in your checking account and your next payday is on monday what is the opportunity cost of these cds?

The opportunity cost of buying the two new CDs with the last $30 in your checking account is the alternative uses of that money. This could include essential expenses like food or gas, or saving for upcoming bills until your next payday on Monday. Essentially, by purchasing the CDs, you forgo other immediate needs or the ability to save that money for later use.