As demand of city living grows, the supply of housing cannot keep up. In City 255, the rent has gone up a lot in recent year. Some organizations start to campaign for a rent control in the form of setting a price cap on what a landlord can charge or limit the amount of rent can be raised. What can arguments be made about rent control?

Kumar consulting operates several stock investment portfolios that are used by firms for investment of pension plan assets. last year, one portfolio had a realized return of 12.6 percent and a beta coefficient of 1.15. the average t-bond rate was 7 percent and the realized rate of return on the s& p 500 was 12 percent. what was the portfolio's alpha?