United States government assistance is the mainstay of the economy. Under terms of the Amended Compact of Free Association, the U.S. is committed to provide US$57.7 million per year in assistance to the Marshall Islands (RMI) through 2013, and then US$62.7 million through 2023, at which time a trust fund, made up of U.S. and RMI contributions, will begin perpetual annual payouts.
What document defines how much money is transferred from the United States to the Marshall Islands? (If the question is unanswerable, say "unanswerable")
the Amended Compact of Free Association