maximize a financier plans to invest up to $500,000 in two projects. project a yields a return of 11% on the investment of x dollars, whereas project b yields a return of 14% on the investment of y dollars. because the investment in project b is riskier than the investment in project a, the financier has decided that the investment in project b should not exceed 45% of the total investment. how much should she invest in each project in order to maximize the return on her investment, p?