During the past year, the rates of return of the following investment vehicles were as follows: Bonds fund 3% Canadian equity fund 5% US equity fund 9% Money markets -1% Nandita has a portfolio consisting of 15% in Bonds fund, 15% Canadian equity fund, 36% US equity fund, and the rest in money markets. Determine the overall return rate on her investments

. a. 4.10%

b. 4.25%

c. 1.04%

d. 4.70%

e. 4.82%