You want to form a valueweighted technology stock index using Apple, Google, and Yahoo. Apple's adjusted closing price for 2015 is $112.75 and for 2014 is $100.78; Google's adjusted closing price for 2015 is $647.82 and for 2014 is $582.36; Yahoo's adjusted closing price for 2015 is $32.24 and for 2014 is $38.51. The additional information that you gathered is their market values at the end of 2014 or beginning of 2015; in billions of dollars, Apples market value is $574.72 B, Googles market value is $399.23 B, and Yahoos market value is $36.59 B. What is the annual return for your valueweighted technology stock index for 2015? Enter your answer rounded to two decimal places. Do not enter % in the answer box. For example, if your answer is 0.12345 or 12.345% then enter as 12.35 in the answer box.