please choose an option

You have $20,000 to invest. You allocate the money into three stocks as follows: Stock A $5,000; Stock B $12,000; Stock C $3,000. After one year the return on each stock was: Stock A +15%; Stock B +8%; Stock C +5%. What was the return on your portfolio?

A. 9.3%

B. 15.0%

C. 7.8%

D. 10.2%