..... This is a ball park figure; The same size mast with internal reinforcing currently stands at approximately $850-900 dollars.(a discount would be probable if bought in bulk )......

but the other option we're forgetting & that's fairly cheap is.....
I have
fitted a forward facing diamond (parrot perch) between the foot and the
hound.
This makes it very affordable in comparision to an entire new section ....
This means the association isn't left holding a bag full of mast sections .... and we keep new masts affordable at the same time

The mast regulations can basically stay as they are......
The smaller section remains a lightweight user friendly mast ....
I don't think I could right a boat with a heavier duty or larger section mast .... am I alone ???? ...

Without seeing Kevin's forward facing diamond setup, I'm sure we have enough collective brain power to design a simple enough unit ourselves to overcome the stiffness issues with the square-top sail on current section even with its size limitations.....