also, options expire.
DMNOA expires May 2013
DMNOC expires March 2013
DMNOC is the preference, as it has a lower exercise price. However, as DMNOC becomes harder to get a hold of, you may find it worthwhile buying DMNOA. DMNOA has a higher exercise price, but the option is still available at .1c. You need to keep this in mind, and determine what kind of return you want to make.
