Here is the Impact Fee Schedule for Lake County - check the fee for the 'Active Adult' category - nothing like the fee mentioned by the OP here:
Residential Impact Fee Schedule
Cannot find an 'Active Adult' category for Marion County and only a Transportation Impact fee:
http://www.ocalafl.org/Home/ShowDocument?id=4256
Link for Sumter County fee schedule [Adobe pdf] can be found here:
Road Impact Fee Schedules | Sumter County, FL - Official Website
I think the OP's stats are apples and oranges in comparison to the Villages other 2 counties. But I have been known to be incorrect! lol
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Not sure if I have free time...or if I just forgot everything I was supposed to do!