In $2017$ the average price of a commodity was $20\%$ more than in $2016$ but $20\%$ less than in $2015$; and more over it was $50\%$ more than in $2018$ to price relatives using $2016$ as base ($2016$ price relative $100$) deduce the data is:
Options
A$120, 100, 120, 80$ (2015-18)
B$150, 100, 120, 80$ (2015-18)
C$135, 100, 125, 87$ (2015-18)
DNone of these
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