Which of the following statements about demand and aggregate demand are true? Multiple select question. We use aggregate demand to talk about the price and quantity of a single good or service produced in a specific market. We use demand to talk about the price and quantity of a single good or service produced in a specific market. We use demand to describe the overall or total demand for all final goods and services produced in an economy. We use aggregate demand to describe the overall or total demand for all final goods and services produced in an economy