During hyperinflations, people desire to hold less money and will go to the bank more frequently. This waste of resources due to the high rate of inflation is known as _____

Marginal cost is the additional cost to a firm of producing one more unit of a good or service

Indicate whether the statement is true or false

Two goods, X and Y, are complementary goods if the demand for X

a. increases when the price of Y increases b. increases when income increases c. decreases when the price of Y increases d. increases as the price of its substitute good increases e. decreases as the price of its substitute good decreases