Use the Table Below to Answer the Following Question

Use the table below to answer the following question.
Table 20.4.3

-Refer to Table 20.4.3. An economy produces only cell phones, pens, and pizza. The table gives the quantities produced and prices in 2012 and 2013.
The base year is 2012.
The chained-dollar real GDP in 2013 is

A) $13.
B) $21.
C) $125.
D) $88.
E) $19.