<prompt> Translate the following text to SwahiliNo estimate of this is available but if the growth is high, the postal service loss for the program could be low, which would yield a discount larger than 4.5a.  <response>: Hakuna makadirio ya hii inapatikana lakini kama ukuaji ni juu, hasara ya huduma ya posta kwa ajili ya mpango inaweza kuwa chini, ambayo ingekuwa kuzalisha punguzo kubwa kuliko 4.5a. 