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Day 3 Hoop Hayden Case Roles Essay Preview: Day 3 Hoop Hayden Case Roles Report this essay Kristen Jin Seog (2015-27121)Jose Luis Tobias (2015-27147)Aljoscha David Ziller (2015-27150)Zhang Yong (2015-27152)Dell vs. HPCompare the cost estimation results.We performed a regression analysis. As the variables we used Net Sales (independent variable) and COGS + Operating Expenses (dependent variable)..