请问8老师，为我母亲申请绿卡，关于I-485 支票金额 Mame27122017-03-19 16:05:17

The filing fee for Form I-485 is $1,140.
An additional biometrics service fee of $85 is required for applicants ages 14 to 78. 

我交支票是开一张 ¥1140+¥85呢？ 还是开两张支票或者开一张 ¥1140支票呢？

谢谢！