$5$ If the order is limit order with an expiration time, the character $"T"$ followed by of minutes until the order expires and should no longer be executed

Note that the order code may only contain letters and numbers. It may not inclu hyphens, etc.

What would the code be for a limit ord $1\text{'}$ sup buy $10000$ shares of Alcoa stock$($tic AA$)$ at $$9\mathrm{.}00$ a share but only if the order an be filled within the next $2$ hours?

Answer