based on law 8 U.S.C. 1182(n)(2)(G)(ii):
1. no
2. doesn't matter. employer should pay the cost
3. no. you pay 0
4. no
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Form and addresses to file a H1B complaint
1. WH-4 form
http:///www.dol.gov/esa/forms/whd/WH-4.pdf
2. address to mail in WH-4 form
http://www.dol.gov/esa/contacts/whd/america2.htm