2. Once again we can use the CAPM to estimate MMM's cost of equity. Thomson ONE provide various estimates of beta-select the measure that you believe is best and combine this with your estimates of the risk-free rate and the market risk premium to obtain an estimate of its cos of equity. (See the Thomson ONE exercise in Chapter 8 for more details.) What is your estimat for MMM's cost of equity? Why might it not make much sense to use the DCF approach to estin mate MMM's cost