(3) Required minimum amount In no case shall the sum of a participating institution’s allocation of loan authority computed under paragraph (1)(B) be less than the average of the institution’s total principal amount of loans made under this part for each of the academic years 2012–2013 through 2016–2017. (4) Additional adjustments If the Secretary determines that the sum of a participating institution’s allocation of loan authority under paragraph (1)(B) is below the minimum amount required under paragraph (3), the Secretary shall— (A) for each participating institution for which the minimum amount under paragraph (3) is not satisfied, increase the amount of such sum to the amount of the required minimum under such paragraph