Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
Figure: Circular-Flow Model
-(Figure: Circular-Flow Model) Look at the figure Circular-Flow Model. If the circular-flow model is in equilibrium (the sum of money flowing into each box is equal to the sum of the money flowing out of it) and there is a decrease in investment spending, which of the following is likely to happen?

A) an increase in the nominal GDP
B) an increase in the real GDP
C) an increase in the unemployment rate
D) an increase in the inflation rate