Sinclair manufacturing and boswell brothers inc. are both involved in the production of brick for the homebuilding industry. their financial information is as follows: sinclair boswell capital structure debt @ 11% $ 1,800,000 0 common stock, $10 per share 1,200,000 $ 3,000,000 total $ 3,000,000 $ 3,000,000 common shares 120,000 300,000 operating plan: sales (70,000 units at $20 each) $ 1,400,000 $ 1,400,000 variable costs 1,120,000 700,000 fixed costs 0 320,000 earnings before interest and taxes (ebit) $ 280,000 $ 380,000 the variable costs for sinclair are $16 per unit compared to $10 per unit for boswell. a. if you combine sinclair’s capital structure with boswell’s operating plan, what is the degree of combined leverage?