This is a bar chart about how the car's selling price corelated to it's producing year. Gist[https://gist.github.com/RyanYun0017/50ece33c48c959e86c1d3840b9ac811f]

This work is forked from 'Makeing a Bar Chart'[https://vizhub.com/curran/326730c80fc54969ae501fb58c8cb94b]