need help asap please

At the beginning of the month, you owned $9,000 of General Dynamics, $6,000 of Starbucks, and $5,000 of Nike. The monthly returns for General Dynamics, Starbucks, and Nike were 6.90 percent, -1.54 percent, and -0.63 percent. What is your portfolio return? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Portfolio Return