You invested $11,000 in a portfolio with an expected return of 6.3 per cent and $23,000 in a portfolio with an expected return of 13.9 per cent. The expected return of the combined portfolio is (as a percentage to two decimal places eg 2.881% is 2.88))

Select one:

a. 12.88%

b. 11.44%

c. 6.80%

d. 13.66%