<prompt> Translate the following text to SwahiliFurthermore, in past years, the units savings were reduced by the 50 fee that the contract carrier charged for reservations made less than 3 weeks in advance.  <response>: Kwa kuongezea, katika miaka ya hivi karibuni, akiba ya kitengo hicho ilipunguzwa kwa ada ya 50 ambayo msafirishaji wa mkataba alitoza kwa nafasi zilizowekwa chini ya wiki tatu mapema. 