Portfolio Return At the beginning of the month, you owned $10,000 of Company G, $10,000 of Company S, and $15,000 of Company N. The monthly returns for Company G, Company S, and Company N were 9.2 percent, -1.25 percent, and 9.2 percent. What is your portfolio return? (Round intermediate calculations to 2 decimal places.) 6.21% 17.25% 5.75% 6.58%