Samson,The costs are locked in under both scenarios once the SP...

Samson,
The costs are locked in under both scenarios once the SP reaches 6 cents, i.e when the options are exercised.
Because of that, purchasing the heads will always provide a $4,000 better return, no matter what the SP eventually reaches, whether it's 50c, $1, $5 or higher.
You can do the sums quite easily so no need to wait until 2016 and end up eating your hat.
Of course, the heads just became even better value with the sharp decline in the SP today.