The prices will come down.
Bukka ga yasuku naru darou.
prices of commodities; prices (in general); cost-of-living
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
cheap; inexpensive; calm; peaceful; quiet
to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...
be; is; indicates past or completed action; indicates light imperative