borrowings under the credit facility bear interest based on the daily balance outstanding at libor ( with no rate floor ) plus an applicable margin ( varying from 1.25% ( 1.25 % ) to 1.75% ( 1.75 % ) ) or , in certain cases a base rate ( based on a certain lending institution 2019s prime rate or as otherwise specified in the credit agreement , with no rate floor ) plus an applicable margin ( varying from 0.25% ( 0.25 % ) to 0.75% ( 0.75 % ) )