$10\mathrm{.}12$

The following data is for $2011.$ All other data remains the same as Problem and Case $10\mathrm{.}11\backslash$table$[[,$Shuffle,Cloudy,Rainy Day$],[$Shoes Ltd$.,$Boots Ltd$.,$Wear Ltd$.,],[$EBIT$,$$$500,000,$$$356,000,$$$1,200,000$

Calculate the degree of financial leverage for each company. please show me step by step with formula