<prompt> Translate the following text to EnglishKama ilivyoelezwa zaidi katika sanduku 4.2, ikiwa mapato ya bajeti ya makadirio yatatokea, serikali ya shirikisho itafikia hatua ambayo mapato ya makadirio yatazidi kiasi cha deni la shirikisho linaloweza kukombolewa.  <response>: As discussed further in text box 4.2, if the projected budget surpluses materialize, the federal government will reach a point at which the projected surpluses will exceed the amount of federal debt available to be redeemed. 