Business done in the Otherworld is done in Units. Once they used Unit coins, but now most of the transactions are done electronically, with bank accounts and Unit Credit Cards. The Unit Bank is where you can cash in Unit checks and exchange Units for American Bills.
100 $ = 1 U 500 $ = 5 U 1,000 $ = 10 U 5,000 $ = 50 U 10,000 $ = 100 U
100 $ = 1 U
500 $ = 5 U
1,000 $ = 10 U
5,000 $ = 50 U
10,000 $ = 100 U