help please

Suppose that the Treasury bill rate is 9% rather than 4%, as we assumed in Table 12.1. and the expected return on the market is 13%. Use the betas in that table to answer the following questions. a. When you assume this higher risk-free interest rate, what is your assumption about the rate of return on the market portfolio? b. Calculate the highest expected return for the stocks in Table 12.1. (Do not round intermediate calculations. Enter your answer as percent rounded to 1 decimal place.) c. Calculate the lowest expected return for the stocks in Table 12.1. (Do not round intermediate calculations. Enter your answer as a percent rounded to 1 decimal place.) d. Will Ford offer a higher or lower expected return if the interest rate is 9% rather than 4%? e. Will Walmart offer a higher or lower expected return if the interest rate is 9% rather than 4%? Market return Expected return % Expected returm % Ford's expected return Walmart's expected return b. C. d. e. selected common stocks, anuary 2013-December 2017 Company U.S. Steel Marathon Oil Amazon Disney Ford Boeing Intel GE GE PFE Pfizer IBM IBM GOOG Alphabet UNP Union Pacific XOM ExxonMobil SBUX Starbucks Coca-Cola MCD McDonald's CPB Campbell Soup WMT Walmart PCG Pacific Gas & Electric NEM Newmont Mining Note: Betas are calculated from 5 years of monthly data. Ticker X MRO AMZN DIS F BA NTC Beta 3.01 2.39 1.47 1.39 1.26 1.24 1.07 1.06 1.02 0.94 0.94 0.90 0.82 0.75 0.70 0.68 0.40 0.37 0.15 0.10