So if I snap an aluminum mast (any type of boat), do I get any credit toward the purchase of a replacement if I send back the broken parts?

Or should I just drop them off at my local metal salvage station and get the $ per kg credit...?

What's the current cost of aluminum?

And what do I do with a broken carbon mast (presuming it can't be repaired)? Grind it up and use it as landscape mulch?