Your total portfolio consists of the following holdings:

1,000 shares of Redneck Bank worth $235 per share

500 shares of The Belching Toad Brewery worth $145 per share

700 shares of Espresso Patronum Coffee Co worth $97 per share

Over the course of the last year, Redneck Bank was down 5%, Belching Toad was up 7.5%, and Espresso Patronum was up 25%. What was your portfolio return? Answer to two decimal places.