Correct option is D
The number of television sets sold by all the showrooms in the year 2017 = 180 + 274 + 269 + 98 + 370 + 195 = 1386
The number of television sets sold by all the showrooms in the year 2019 = 264 + 107 + 237 + 225 + 282 + 237 = 1354
Difference = 1386 - 1352 = 34




