Winthrop Enterprises is a holding company (a firm that owns all or most of some other companies' outstanding stock). Winthrop has four subsidiaries. Each subsidiary borrows capital from the parent company for projects. Ervin Company is successful with its projects

74%

of the time, Morten Company

76%

of the time, Richmond Company

69%

of the time, and Garfield Company

89%

of the time. What loan rates should Winthrop Enterprises charge each subsidiary for loans?