Sanders Siding produces and sells two products-aluminum and vinyl. Each of these products is made in a dedicated manufacturing facility, and the product line managers are evaluated based on the product line's return on investment. The following data is from the most recent year of operations. Aluminum Vinyl Sales $4,000,000 $3,000,000 Variable costs 1,800,000 1,800,000 Direct fixed costs 1,500,000 900,000 Average assets 2,000,000 1,200,000 Margin 17.50 % 10.00 % Asset turnover ratio 2.00 2.50 ROI 35.00 % 25.00 % (b) Evaluate the relative performance of each product line manager. B I U T T Ix !!! NU T 0 Word(s)