When the Fed increases the money supply, it leads to Part 2 A. higher interest rates and decreased investment spending. B. lower interest rates and decreased investment spending. C. higher interest rates and increased investment spending. D. lower interest rates and increased investment spending.The relationship between the level of prices and the quantity of real GDP supplied is known as Question content area bottom Part 1 A. aggregate demand. B. market demand. C. market supply. D. aggregate supply