The Following Information Is for a Closed Economy Refer to the Information

Multiple Choice

The following information is for a closed economy: $\begin{array}{c}\begin{array}{c}\underline{\text { GDP }} \\\$ 100 \\200 \\300 \\400 \\500 \\600 \\700\end{array}\begin{array}{c}\underline{\text { C }}\\ \$ 100 \\160 \\220 \\280 \\340 \\400 \\460 \end{array}\begin{array}{c}\underline{\text { S}} \\\$ 0 \\40 \\80 \\120 \\160 \\200 \\240 \end{array}\begin{array}{c}I_{g} \\\hline \$ 80 \\80 \\80 \\80 \\80 \\80 \\80 \end{array}\end{array}$
Refer to the information.The addition of a $100 billion lump-sum tax:

A) reduces the MPC and increases the multiplier.
B) increases the MPC and decreases the multiplier.
C) increases both the MPC and the multiplier.
D) has no effect on either the MPC or the multiplier.