Problem 9-25 Portfolio Return (LG9-7) At the beginning of the month, you owned $8,000 of General Dynamics. $7,000 of Starbucks, and $5,000 of Nike. The monthly returns for General Dynamics, Starbucks, and Nike were 6.40 percent. -1.44 percent, and -0.58 percent. What is your portfolio return? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Portfolio return %