Optimal leverage analysis

Discuss the implications of the various capital structure theories for optimal capital structure of Super Retail Group(analysis should be based on at least 10 years of past data), including: 1.trade-off theory the trade-off between tax benefits of debt (including personal taxes and dividend imputation credits and the financial distress costs. keep the general discussion of the trade-off theory very short(not more than half a page) 2.analysis of tax benefits should be detailed tax benefits analysis needs to address Australia's dividend imputation tax system