Answer the Question on the Basis of the Following Table

Answer the question on the basis of the following table for a commercial bank or thrift: $\begin{array}{c}\begin{array}{c}(1) \\\text {Legal Reserve}\\\underline{\text {Ratio (\%) }}\\10 \\20 \\25 \\30\end{array}\begin{array}{c}(2) \\\text {Checkable}\\\underline{\text {Deposits}}\\ \$ 40,000 \\40,000\\40,000\\40,000\end{array}\begin{array}{c}(3) \\\text {Actual}\\\underline{\text {Reserves}}\\\$ 10,000 \\10,000\\10,000\\10,000\end{array}\end{array}$

Refer to the table.If the legal reserve ratio falls from 25 percent to 10 percent,excess reserves of this single bank will:

A) rise by $6,000 and the monetary multiplier will increase from 4 to 10.
B) rise by $60,000 and the monetary multiplier will increase from 4 to 10.
C) fall by $6,000 and the monetary multiplier will decline from 30 to 10.
D) fall by $2,000 and the monetary multiplier will decline from 10 to 4.