Consider the following multifactor (APT) model of security returns for a particular stock.

a. If T-bills currently offer a 6% yield, find the expected rate of return on this stock if the market views the stock as fairly priced.
b. Suppose that the market expected the values for the three macro factors given in column 1 below, but that the actual values turn out as given in column 2. Calculate the revised expectations for the rate of return on the stock once the €œsurprises€ becomeknown.

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Factor Inflation Industrial production Oil prices Expected Rate of Change Actual Rate of Change 5% 4%