The table gives the price of a basket of groceries in a certain city from 2014 to 2020. Find the simple index numbers for the data.

(a) Let 2014 be the base year.

(b) Let 2016 be the base year.

Year ................................ Price ($)
2014 ................................ 60.50
2015 ................................ 65.03
2016 ................................ 70.05
2017 ................................ 80.55
2018 ................................ 92.80
2019 ............................... 112.10