Suppose an economic boom drives up wages for the sales representatives who work for cell phone companies. This will cause the:
O demand for cell phones to increase, and both the price of cell phones and the quantity of cell phones traded would rise.
O supply of cell phones to increase; the price of cell phones would decrease and the quantity of cell phones traded would rise.
O demand for cell phones to decrease, and both the price of cell phones and the quantity of cell phones traded would fall.
O supply of cell phones to decrease; the price of cell phones would increase and the quantity of cell phones traded would fall.
