If you asign 0 to the options it's more than 30 PC Cheaper.
It's 34pc cheaper... 13/9.7= 1.34*100=134.
134-100=34
Put another way the 1.34 represents how much bigger the spp price is in relation to the current market price if, as you say, you mark the options to zero.
Try it yourself and consider apologising to Cosmo.
Cheers tc
