Saved Help 8-Problems Consider a three-factor APT model. The factors and associated risk premiums are: Factor Risk Premiun (5 Change in gross national product (GNP) +6.9 Change in energy prices 0.4 Change in long-term interest rates +2.6 04:52 Calculate expected rates of return on the following stocks. The risk-free interest rate is 4,8%. ped sok a. A stock whose return is uncorrelated with all three factors. (Enter your answer as a percent rounded to 1 decimal place.) b. A stock with average exposure to each factor (.e., with b = 1 for each). (Enter your answer as a percent rounded to 1 decimal place.) c. A pure-play energy stock with high exposure to the energy factor (b=19) but zero exposure to the other two factors. (Enter your answer as a percent rounded to 2 decimal places.) d. An aluminum company stock with average sensitivity to changes in interest rates and GNP, but negative exposure of b= -19 to the energy factor . The aluminum company is energy-intensive and suffers when energy prices rise.) (Enter your answer as a percent rounded to 2 decimal places.) rences b Expected rate of return Expected role of retum Expected rate of retum Expected rate of retum G d % % %