In VS COBOL, as well as in COBOL II, the period is an implicit scope terminator that ends the scope of any statements that have not yet terminated. For example, the scope of an AT END, ON OVERFLOW or ON SIZE ERROR clause in a VS COBOL program remains in effect until a period is reached. According to the text, which is the correct answer?
For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you don't need to use the period;
For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you need to use the period;
For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you have not to use the period;
For AT END, ON OVERFLOW or ON SIZE ERROR clauses, you shouldn't use the period;
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