Based on this figure, calculate the interest coverage ratio.

\begin{tabular}{lrrr} & Notes & 2021 \$M & $M \\ \hline REVENUE AND OTHER INCOME & & \\ \hline Net passenger revenue & & 3,766 & 12,183 \\ Net freight revenue & & 1,316 & 1,045 \\ Other revenue and income & 4(B) & 852 & 1,029 \\ \hline Revenue and other income & & 5,934 & 14,257 \\ \hline \end{tabular} EXPENDITURE Attributable to: \begin{tabular}{lcc} \hline Members of Qantas & {[1,728)} & (1,964) \\ Non-controlling interests & & \\ \hline Statutory loss for the year & (1,728) & (1,964) \\ \hline \end{tabular} EARNINGS PER SHARE ATTRIBUTABLE TO MEMBERS OF QANTAS \begin{tabular}{lllll} \hline Basic loss per share (cents) & 3 & (91.8) & (129.6) \\ Diluted loss per share (cents) & 3 & (91.8) & (129.6) \\ \hline \end{tabular}