Portfolio Return At the beginning of the month, you owned $7,400 of Company G, $9,900 of Company S, and $4,800 of Company N. The monthly returns for Company G, Company S, and Company N were 9.15 percent, -1.69 percent, and -.04 percent. What is your portfolio return? 7.42% 2.25% 3.63% 3.13%