obile Interface Stack ** Tests whether the stack is moty. Belee istoty Inserts a clement at the top of the stack vaid puhe): /** Returns, but does the element at the top of the stack, or mall if the stock is opty E to: * Memes and returns the top elint from the stack, or if the stack is not Consider the following sequence of operations on a Stack that begins empty. Give the return value for each line. If it causes an error, then write ERROR push("A" push(B) pop X FIRST top SECOND push("C") pop) W THIRD pop) # FOURTH pop) FIFTH FIRST Choose SECOND Choose THIRD ICH YOUTH [Chore FIFTH Choose