Congressional Budget Office Cost Estimate: H.R. 1486: Securing American Non-Profit Organizations Against Terrorism Act of 2017 [open pdf - 89KB]
"H.R. 1486 would authorize the appropriation of $50 million annually for fiscal years 2018 through 2022 for the Federal Emergency Management Agency (FEMA) to provide grants to certain nonprofit organizations to enhance security measures aimed at guarding against terrorist attacks."
Congressional Budget Office: https://www.cbo.gov/