A year ago, Matin bought 100 shares of ACE Corp. stock for taka 5,619 including commission. He is about to sell the ACE stock for taka 6,528 net of commissions. When he made the purchase the DSE 30 index was at 907; now it is 1070. The beta of ACE stock is 0.98, and the market's risk-free rate is 4.0%. No dividends were paid. Based on Jensen's measure, did Matin make a good purchase