which code snippet can be used to iterate an instruction for 6 times? Note: indicates new line
REPEAT 6 TIMES instruction END-REPEAT
MOVE 1 TO COUNTER PERFORM UNTIL COUNTER = 6 COMPUTE COUNTER = COUNTER + 1 instruction END-PERFORM
PERFORM 6 TIMES instruction END-PERFORM
REPEAT VARYING COUNTER FROM 1 BY 1 UNTIL COUNTER = 6 instruction END-PERFORM