The given table shows the number of new employees who joined in different categories of employees in an organization and also the number of employees from these categories who left the organization every year since the foundation of the organization in 2015. Study the table and answer the questions that follow.

What was the total number of accountants working in the organization in the year 2019?

​$$\begin{array}{|c|c|c|}\hline\textbf{Year} & \textbf{Accountants joined} & \textbf{Accountants left} \\\hline 2015 & 35 & 0 \\\hline 2016 & 26 & 16 \\\hline2017 & 15 & 5 \\\hline2018 & 20 & 38 \\\hline2019 & 14 & 24 \\ \hline\end{array}$$​​

Number of accountants working = Total number of accountants joined over the years  - Total number of accountant left over the years 

From the above table and after applying the formula.

Number of accountant working = (35+26+15+20+14) – (0 + 16+ 5 + 38 + 24) = 27