You have $18,000 to invest. You want to purchase shares of Alaska Air at $43.36, Best Buy at $52.22, and Ford Motor at $8.96. How many shares of each company should you purchase so that your portfolio consists of 20 percent Alaska Air, 30 percent Best Buy, and 50 percent Ford Motor? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Alaska Air shares Best Buy shares Ford Motor shares