Simply Bubbles, Inc. has the following annual returns: 4.8%, 7.3%, -6.2%, -11.7%, 8.6% Over the same period, the S&P 500 Index returned: 5.1%, 6.9%, -7.3%, -8.1%, 7.2% How much of the variability in Simply Bubbles is explained by the variability in the S&P 500 Index (R)? (recurring content problem) 0.69 O 0.96 0.89 O 0.98 O 0.78