added "Billing Process for Boston University" page content

docs/get-started/cost-billing/billing-process-for-bu.md

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 # Billing Process for Boston University
 
+Boston University has elected to receive a centralized invoice for its university
+investigators and their designated user’s use of NERC services. IS&T will then
+internally recover the cost from investigators. The process for cost recovery is
+currently being implemented, and we will reach out to investigators once the process
+is complete to obtain internal funding information to process your monthly bill.
+
+## Subsidization of Boston University’s Use of NERC
+
+Boston University will subsidize a portion of NERC usage by its investigators.
+The University will subsidize $100 per month of an investigator’s total usage on
+NERC, regardless of the number of NERC projects an investigator has established.
+Monthly subsidies cannot be carried over to subsequent months. The subsidized
+amount and method are subject to change, and any adjustments will be conveyed
+directly to investigators and updated on this page.
+
+Please direct any questions about BU’s billing process by emailing us at
+[[email protected]](mailto:[email protected]?subject=NERC%20Boston%20University%20Billing%20Question)
+or submitting a new ticket to the [the NERC's Support Ticketing System (osTicket)](https://mghpcc.supportsystem.com/open.php).
+
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