(a) Identify what you consider to be the one most important operating capability ratio for Australian largest independent air freight services business and justify why you have selected this ratio. (maximum 200 words) (b) Using the ratio identified in part (a), compare operating capability for Qantas Group from 2021 to 2020. Which year appears to have better managed operating capability with regard to this one area? Be sure to analyse and explain why, not just describe the ratio value. (maximum 300 words)