How about this for a base line:
700 Red e deals SYD-BNE-SYD = $196,000 for 14,000 SC (assuming cheapest standard red e deal of $140)
700 Red e deals MEL-SYD-MEL = $252,000 for 14,000 SC (assuming cheapest standard red e deal of $180)
Then one could do all sorts of other best case 'baselines'...