The Rare Steel Company's income statement for $2023$ is as follows:

$\backslash$table$[[$Sales $(70000$ Units at $$80$ each$),5600000],[$Variable Cost $(70000$ Units at $$45$ each$),3150000],[$Contribution Margin,$2450000],[$Fixed Cost,$900000],[$EBIT$,1550000],[$Interest Expense,$650000],[$EBT$,900000],[$Tax $(35\%),315000],[$EAT$,585000]]$

Given this income statement, compute the following:

a$.$ Degree of operating leverage.

b$.$ Degree of financial leverage.

c$.$ Degree of combined leverage

d$.$ Break$-$even point in units.

e$.$ Break$-$even point considering the interest expense as a fixed cost.