69.
The table shows number of TVs sold by different showrooms from 2015-2019.
Find the difference between the sale of TVs from showrooms A,B,C in 2017 and the sale of TVs from showrooms B,C,D in 2019?
Year/Showroom A B C D
2015 212 200 205 208
2016 210 215 225 220
2017 190 204 212 205
2018 198 212 222 224
2019 218 192 205 203