Mr. Richards has two cars that he changes the oil in every four months. During an oil change, each car needs 4 quarts of oil.
Each 5-quart container of oil costs $14.99.
Before tax, how much will the oil cost Mr. Richards for both cars in a year?

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity