When import gift benefits, the Receipt amount on the gift is not updated to reflect the benefit value
This is resolved in The Raiser's Edge 7.96, patch 6, released in September-October 2017 and applied to databases in Blackbaud Hosting Services. If your database is installed locally, download and install the latest version and patch, if applicable.
In previous versions:
Once the gift benefits have been imported you can manually change the Receipt amount to reflect the benefit value