ABC Investment Management, a firm that specializes in developing clients' investment portfolios, has recently completed a performance appraisal of its equity fund. The fund manager reported an alpha of 2% over the past year against a benchmark consisting of the S&P 500. The firm's investment policy states that the fund should have a minimum tracking error of 5% when compared to the benchmark. Additionally, the fund manager indicated that the beta of the portfolio is 1.2. The firm is concerned about the performance sustainability and risk-adjusted returns of the fund.
Which of the following statements best assesses the adequacy of the performance appraisal of ABC Investment Management's equity fund?