premise: Net interest income for the year ended December 31, 2018 includes $2.4 million in recovered interest income on acquired credit impaired loans. This amount compares to interest recoveries of $1.1 million for 2017. , <hypo>. The amortization of the fair value adjustments is estimated to be 13 basis points on an annual basis. This favorable margin effect was partially offset by the impact that the current year's reduction in the tax rate had on the tax-advantaged securities in the investment portfolio, which adversely affected the margin by 5 basis points.
hypothesis: <hypo> should be "the net interest margin would have been 3.58% for the year ended December 31, 2018 compared to 3.53% for the year ended December 31, 2017"