Question 3
The chart shows notebook sales $2017 \text{--} 2021$. Sales increase $60 \%$ in each of $2018 , 2019$ and decrease $25 \%$ in each of $2020 , 2021$. Sales $2021$ exceed $2017$ by $30800$. Find $2021$ sales. Source options: $A = 44000 , B = 70000 , C = 74800 , D = 108000 , E = 119000$.
