Carefully consider the following case, then select the answer which has the best fit to the case:

Steve Hobs and Elon Nusk are having dinner. The waiter leaves the check, and Steve slyly remarks, "Hey, want to dine and dash?" Elon replies, $"$If you owned a restaurant, then would you want people to eat your food and run out without paying?" Steve thought about it$,"$No$,$ I guess not." "Then we shouldn't do it if we wouldn't want it done to us$"$ Elon concluded. Elon's reasoning is an example of:

$($A$)$ Kant's first formulation of the categorical imperative

$($B$)$ Kant's second formulation of the categorical imperative

$($C$)$ Kant's third formulation of the categorical imperative