Assume an Economy That Is Producing Only One Product Refer to the Data

Assume an economy that is producing only one product.Output and price data for a three-year period are as follows.Answer the question on the basis of these data. $\begin{array}{c}\begin{array}{c}\\\underline{\text { Year }} \\1 \\2 \\3\end{array}\begin{array}{c}\text { Units of}\\\underline{\text {Output}}\\20\\25\\30\end{array}\begin{array}{c}\text {Price Per}\\\underline{\text {Unit}}\\ \$ 4 \\4\\6 \end{array}\end{array}$
Refer to the data.If year 2 is chosen for the base year,in year 3 nominal GDP and real GDP,respectively,are:

A) $180 and $30.
B) $30 and $5.
C) $180 and $120.
D) $120 and $100.