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Option 1 : 2016
Calculation:
Total expenditure in 2014, 2016, 2018 = 210 + 350 + 490
⇒ 1050
Average = 1050/3 = 350
Now. 1.2 × 350 = 420
From the given bar graph we can see that in 2016 revenue is 420
∴ Required answer is 2016
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