Suppose Wesley Publishing's stock has a volatility of

70 %, while Addison Printing's stock has a volatility of

25 %. If the correlation between these stocks is

10 %, what is the volatility of the following portfolios of Addison and Wesley:

a- 100% Addison

b. 75% Addison and 25% Wesley

c. 50% Addison and 50% Wesley

Round answers to two decimal places