Vector Marketing, manufacturers of Cutco knives, has supported the American Heart Association with its Go Red campaign to highlight heart disease in women and to raise awareness about symptoms and risk factors.Cutco offers a red$-$handled knife in conjunction with the campaign. Purple$-$handied knives support the Alzheimer Association, and pink$-$handled knives support the Komen Foundation. A portion of every customer's purchase of these special, color$-$handied knives supports the linked organization. Cutco's partnership with these nonprofit organizations is an example of $\_$ marketing