2) James Hetfield of Metallica is investing in stocks. Assume that he has $330,000 invested in a STOCK A that is returning 11.50%, $170,000 invested in a STOCK B that is returning 22.75%, and $470,000 invested in a STOCK C that is returning 10.25%. What is the expected return of James's portfolio?

A) 15.6%

B) 12.9%

C) 18.3%

D) 14.8%

Please provide detail step by step calculations.