There is a tremendousoverhang of excess reserves. When the banks lend most of these reserves, the money supply will greatly ______, leading to high _____ of about the same percent; the underlying theory of which is the quantity theory of ______.

a.decrease, unemployment, employment

b.increase, inflation, money

c.go up and then down, volatility of the business cycle, stop and go

d.go down and then up, stability of the business cycle, aggregate demand and supply