<prompt> Translate the following text to EnglishBaada ya deni la umma kuondolewa, simulations hizi hufikiria fedha za ziada zinatumiwa kupata mchanganyiko usiojulikana wa mali zisizo za shirikisho na kiwango cha kurudi sawa na kiwango cha wastani cha riba ya dhamana ya hazina.  <response>: 11 Once debt held by the public is eliminated, these simulations assume excess cash is used to acquire an unspecified mix of nonfederal assets with a rate of return equivalent to the average interest rate on Treasury securities. 