What is the expected return of a $100,000 portfolio containing $25,000 worth of stocks from each of the 4 large companies with their current average yields of; IBM @ 5%, Amazon @ 6.5%, Boeing @ 8% and XYZ @ 10%?

a. 2.5%

b. 6.86%

c. 7.37%

d. 8.25%

e. 29.50%

Select one: a b c d e