<br/><img src="https://media.cheggcdn.com/media%2Fdea%2Fdeafe6fb-53f5-4052-9730-70e0328fb60b%2Fimage.png" alt="National Co. manufactures and sells three products: red, white, and blue. Their unit sales prices are red $50; white, $80; and blue, $105. The per unit variable costs