An investor is evaluating the performance of two actively managed mutual funds, A and B. The annual risk-free rate of return over the period was 4%, and the average annual return of the market portfolio was 12%. The standard deviation of the market portfolio returns was 20%. The table below reports the statistics and the regression estimation results of the single-index model for annual excess returns of the two funds.

	Fund A	Fund B
Average annual excess return	10.6%	8.4%
Standard deviation of annual excess returns	31%	20%
Single-index model estimates	1% + 1.2 (RM-rf)	2% + 0.8 (RM-rf)
Standard deviation of the model residuals	22%	9%

Required Calculate the T-square measure for each fund.