crack?
that looks more like the headstock was broken off ... and someone without repair experience did a poor job of attempting to glue it back on 
that bass took a pretty good hit to do that much damage to the neck, and I would question what else may have been damaged (but not easily visible) in that event 
IIRC street price on a bass like this is in the $600-$900 range new. say the fix costs you $200 plus r/t shipping if there isn't a qualified repair shop in your area. at $99 you might break even vs. buying a similar (but unbroken) used bass when you add repair costs to get the headstock break properly fixed, and then you'd always have to disclose this repair and take the hit in resale value.
if someone came to my shop looking to have this repair made I'd pass and recommend they talk with Lull 10 min down the street. I'm pretty sure Mike's repair estimate would leave the owner looking to buy a new replacement and then offing the broken bass on eBay for cheap ... o, wait a minute
just my cranky and not yet coffee'd morning opinion on this
all the best,
R