In a simple economy (no government sector), the equilibrium level of GDP will be less than the full employment level of income if, at the full employment level of income, the

a. saving that consumers want to do is greater than investing that businesses want to do.

b. saving that consumers want to do is less than investing that businesses want to do.

c. inventories are being depleted.

d. saving that consumers want to do is less than spending that consumers want to do.