Effective  October 1st 2019 there will be various changes to the user fees.
The Merchandise Processing fee (MPF) currently at a rate of 0.3454% will not change.
The MPF Minimum will change from $26.22 to $26.79
The MPF Maximum will change from $508.70 to $519.76
The Fee for an Informal entry will change to $2.14
The surcharge for manual entry or release will change to $3.21
The dutiable mail fee  will change to $5.89

Please find below the link to the official Federal Register Notice:
 
https://www.govinfo.gov/content/pkg/FR-2019-08-02/pdf/2019-16582.pdf