An Economy Produces 10X,20Y,and 30Z in a Year

Multiple Choice

An economy produces 10X,20Y,and 30Z in a year.Base-year prices for these goods are $1,$2,and $3,respectively.Current-year prices for these goods are $2,$3,and $4,respectively.What is Real GDP?

A) $180
B) $200
C) $140
D) $240
E) none of the above