The full amount of all loans made under paragraph (1) (whether made before or after January 1, 1983 ) shall be repaid at the earliest feasible date and in any event no later than December 31, 1989 .

For the period after December 31, 1987 , and before January 1, 1990 , the Managing Trustee shall transfer each month to the Federal Hospital Insurance Trust Fund from any Trust Fund with any amount outstanding on a loan made from the Federal Hospital Insurance Trust Fund under paragraph (1) an amount not less than an amount equal to (I) the amount owed to the Federal Hospital Insurance Trust Fund by such Trust Fund at the beginning of such month (plus the interest accrued on the outstanding balance of such loan during such month), divided by (II) the number of months elapsing after the preceding month and before January 1990. The Managing Trustee may, during this period, transfer larger amounts than prescribed by the preceding sentence.