Revenue Karen Sandberg, your competitor in Suburban State U’s T-shirt mark...

Revenue Karen Sandberg, your competitor in Suburban State U’s T-shirt market, has apparently been undercutting your prices and outperforming you in sales. Last week she sold 100 tie-dye shirts for $10 each, 50 (low quality) Crew shirts at $5 apiece, and 70 Lacrosse T-shirts for $8 each. Use matrix operations to calculate her total revenue for the week. HINT [See Example 1.]

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