But there are no records or testimony reflecting how that amount accrued, and the only document regarding interest, the adjustable rate rider, does not provide enough information to establish the interest that accrued. Thus this portion of the judgment must be reversed."); Gonzalez v. Onewest Bank, FSB, 204 So. 3d 167, 168 (Fla. 4th DCA 2016) (reversing and remanding for a new trial on the interest rate because "the only competent evidence as to the interest charged after the first change date is that it was somewhere between 2.75% and 11.875%"). Here, the bank offered business records showing that from February 2009 until February 2018, the interest rate remained at 8.