At the beginning of the month, you owned $7,300 of News Corp, $8,200 of First Data, and $4,500 of Whirlpool. The monthly returns for News Corp, First Data, and Whirlpool were 9.20 percent, 2.71 percent, and 11.33 percent. Whats your portfolio return? (Do not round intermediate calculations and round your final answer to 2 decimal places.)