Leviticus 25:50

ASV_Strongs(i)
  50 H2803 And he shall reckon H7069 with him that bought H8141 him from the year H4376 that he sold H8141 himself to him unto the year H3104 of jubilee: H3701 and the price H4465 of his sale H4557 shall be according unto the number H8141 of years; H3117 according to the time H7916 of a hired servant shall he be with him.