Given the following:

Input text $=$teacher$$

Auto number variable $=23$

Which expression will result in a value of T$23?$

Select only one answer.

concat$($toUpper$($substring$($triggerBody$()[\text{'}$text$\text{'}],0,1)),$ variables$(\text{'}$Autonumber$\text{'}))$

concat$($toUpper$($substring$($triggerBody$()[\text{'}$text$\text{'}],0)),$ variables$(\text{'}$Autonumber$\text{'}))$

concat$($toUpper$($trim$($triggerBody$()[\text{'}$text$\text{'}])),$ variables$(\text{'}$Autonumber$\text{'}))$

concat$($variables$(\text{'}$Autonumber$\text{'}),$ toUpper$($substring$($triggerBody$()[\text{'}$text$\text{'}],0,1)))$