Calculate the ratios of Revenue to Costs for each year 2018-2021 from the data (Table 1) in Excel. In addition, create a clustered column chart of these two variables and label accordingly.

\begin{tabular}{|c|c|c|c|c|} \cline { 2 - 5 } & \multicolumn{3}{|c|}{ Year } \\ \hline Total Revenue (\$ million) & 1.20 & 1.10 & 1.25 & 1.356 \\ \hline Total Costs (\$ million) & 0.95 & 0.9 & 1.0 & 1.1 \\ \hline Total Rides (' 000) & 60 & 55 & 75 & 74 \\ \hline \end{tabular}