Figure 33-3 Refer to This Diagram to Answer the Questions Below

Figure 33-3
Refer to this diagram to answer the questions below.

-Refer to Figure 33-3.At an interest rate of 3 percent,the diagram indicates that

A) there is a surplus in the market for foreign-currency exchange.
B) national saving equals domestic investment.
C) net capital outflow + domestic investment = national saving.
D) in the market for foreign-currency exchange the quantity of dollars supplied equals the quantity of dollars demanded.