Janet sells a share of Harper short at $$8\mathrm{.}30$ per share, and at some future date covers her short position $($gets out of his short position$)$ when Harper is trading at $$12\mathrm{.}45.$ What is Janet's profit or loss on the trade? $

Place your answer with dollars and cents without a dollar sign. All losses $($negative answers$)$ should be placed with a "minus" sign. For example, if your answer is a loss of two dollars and seventy five cents, then enter $-2\mathrm{.}75.$

YOU ARE NOT FINISHED. NOW GO ON TO THE SECOND PART!

PART $2.$ What is the MOST that Janet can gain on his original short trade? Place your answer in dollars and cents. If you believe the answer is $"$no limit to the amount of gain" then place the answer of $9999($that is$,$ type $4$ consecutive $9\text{'}$s in the answer box$)$ $