You have invested 30 per cent of your portfolio in an investment with an expected return of 9 per cent and 70 per cent of your portfolio in an investment with an expected return of -1 per cent. What is the expected return of your portfolio? (as a percentage to two decimal places; eg 2.881% is 2.88)) Select one: a. 2.00% b. 6.00% c. 8.30% d. 1.50%