请问大家：
范律师收费一览表中注明,EB-1(a) EB-1(b) NIW 均为$3,000.00，但另外还有一个I-140 $600.00和I-485 $500.00，如果我同时递交基于NIW的I-140和485，是否表明律师费$3,000+600+500=4100？或者只是$3,000而I-485时另算？
不知道此价格是否太贵？
听说有的律师费只要2500，包括I-140和485，到底多少算合理呢？
谢谢！
案件種類 律師費總數 預付款 案成後付款額 移民局規費
H-1B $900.00 $600.00 $300.00 $185.00
H-1B Premium Processing $1,200.00 $900.00 $300.00 $1,185.00
With H-4 Dependent $300.00 $300.00 $0.00 $195.00
H-1B Transfer $900.00 $500.00 $400.00 $185.00
Labor Cert. (RIR) $2,500.00 $1,500.00 $1,000.00 $0.00
I-140 $600.00 $300.00 $300.00 $190.00
I-485 $500.00 $500.00 $0.00 $315.00
EB-1(a) $3,000.00 $1,500.00 $1,500.00 $190.00
EB-1(b) $3,000.00 $1,500.00 $1,500.00 $190.00
EB-1(c) $3,000.00 $1,500.00 $1,500.00 $190.00
NIW $3,000.00 $1,500.00 $1,500.00 $190.00
EB-1(a)+EB-1(b) $4,000.00 $2,000.00 $2,000.00 $325.00
EB-1(a)+NIW $4,000.00 $2,000.00 $2,000.00 $325.00
EB-1(b)+NIW $4,000.00 $2,000.00 $2,000.00 $325.00
O Visa $3,000.00 $1,500.00 $1,500.00 $185.00
L-1 $3,500.00 $2,000.00 $1,500.00 $185.00