You will have to call Sig Sauer to find out.
100-600 or more depending on specifics
http://en.wikipedia.org/wiki/SIG_P229#P229
100-440 or so
Yes. The barrel has to be replaced with the .357 sig barrel, but the magazines are the same.
~$189 to ~$229
You will need to contact SIG to find out.
It depends partly on the person shooting it. I've seen people shoot accurately at 100 yards with those types of guns, although it isn't very common.
The factors of 229 are 1 and 229. 229 is a prime number.
Percent increase = (281 - 229) / 229 = 52 / 229 = 0.227 = 22.7%
50.00 dollars
0.1048
It is in inches: .229 equals 229/1000 as a fraction