At the beginning of the month, you owned $7,000 of News Corp, $5,000 of First Data, and $8,000 of Whirlpool. The monthly returns for News Corp, First Data, and Whirlpool were 8.70 percent, 2.66 percent, and 10.83 percent. Whats your portfolio return? (Do not round intermediate calculations. Round your answer to 2 decimal places.)