changes in monetary policy have the greatest effect on\no income tax rates.\no service fees and expenses.\no…

Brief Explanations:

Monetary policy affects money - supply and interest rates. Lower interest rates from expansionary monetary policy make borrowing cheaper, increasing investment demand. Higher interest rates from contractionary policy have the opposite effect. Income tax rates are set by fiscal policy, service fees are business - specific, and government spending is part of fiscal policy too.

Answer:

C. demand for investments