At the beginning of the month, you owned $5, 500 of General Dynamics, $7, 500 of Starbucks, and $8.000 of Nike, The monthly returns for General Dynamics, Starbucks, and Nike were 7 44 percent, 1.36 and -0.54 percent. What is your portfolio return? (Do not round intermediate calculations and round your final answer to 2 decimal places.)