That rate of return that equates the present value of a series of payment infl b Internal Rate of Return Profitability Index NPV Payback An investor is in the 25% marginal tax bracket and wishes to invest in a tax free Muni bond paying 5%, The taxable equivalent yield is om F 5.00% 6.67% 7.12% 20.00% How one security moves in relation to the "market" as a whole is measured by as used in the CAPM ALHA BETA GAMMA RHO