help me with this please no excel please

15. Use the following information to answer the question below. o Year 2008 2009 2010 2011 Risk-free Return 1.75% 1.25% 1.25% 1.50% Market Return 7.50% -30.00% 9.50% 11.50% PE-Waters Return 4.50% -31.50% 6.00% 5.50% B, = 6.47826) Bez 1.048 B3:0.57577 Bu -0.4 Using the historical average excess retums and historical volatilities of both PE- Waters and Market portfolio that you can calculate from the information above. your estimate of PE-Waters' Beta is closest to: A) C) D) 2.065 0.384 0.927 1.122 ATO au