Assume That Goods X,Y,and Z Constitute a "Market Basket" Used

Assume that goods X,Y,and Z constitute a "market basket" used to compute a price index and that 2014 is the base year.

-Refer to the above information to answer this question.What is the annual inflation rate in 2018?

A) 0%
B) 10%
C) 12%
D) Cannot be determined from the information.