BGB Tuna Processing manufactures and sells canned tuna to restaurants. Variable cost per can amounts to $6 and the selling price of each can is $25. Total annual fixed costs amount to $14,630,000. Sales are estimated to amount to 1,470,000 cans of tuna. Do not enter dollar signs or commas in the input boxes. Round dollar answers to the nearest whole number and round BE units up to the nearest whole number, unless otherwise indicated. a) Calculate the following values. Gross Sales: $ Total Variable Costs: $ Contribution Margin: $ Operating Profit: $ b) If the company sells according to their estimates, what is the degree of operating leverage? The break-even point (in units)?