Assume an economy is producing only one product. Year 2 is the base year. Output and price data for a five-year period are given.YearUnits of OutputPrice Per Unit14$425537849951010Refer to the above data. If year 2 is the base year, then real GDP for year 5 is:

A. $56.
B. $50.
C. $100.
D. $41.

B. $50.