winthrop Enterprises is a holding company (a firm fhat owns all or most of some other outstanding stock). Winthrop has four subsidiaries. Each subsidiary borrows capital from the parent company for projects. Ervin company is successful with its projects 93% of the time, Morten company 71% of the time, Richmond Company 69% of the time, and Garfield company 95% of the time. What loan rates should winthrop enterprises charge each subsidiary loans?