This price quote indicates that Deere$$s $7\mathrm{.}125\%$ notes have a market price of $131\mathrm{.}03(131\mathrm{.}03\%$ of face value$),$ resulting in a yield of $2\mathrm{.}82\%.$

$($a$)$ Assuming that these notes were originally issued at par value, what does the market price reveal about interest rate changes since Deere issued its notes? $($Assume that Deere's credit rating has remained the same.$)$

Interest rates have remained the same.

There is not enough information.

Interest rates have increased.

Interest rates have declined.