[#5] Soundproof testing room buildout (acoustic isolation, HVAC mitigation, egress lighting).

[#1, #2, #6, #7, #8, #9] Anomalous-item locker and modifications, environmental control hardware, video-only CCTV system (camera, wiring, secure storage), audio-detector purchase, initial carbon-fiber bow inventory, padded transport case and handling tools.

[#20] One-time contingency/reserve seed for unexpected repairs, upgrades, or incident response.

[#3] Professional luthier/museum-grade conservation/restoration to stabilize SCP-1758 and document condition.

[#14] SOP/legal/operational procedure drafting and initial training implementation (one-time development costs).

[#15] One-time IT security/encrypted storage setup and redaction workflow tools.

[#14, #16, #17] Annual refresher training/compliance, public-exposure contingency fund and incident response/PR costs, and legal/ethical oversight/external counsel retainer.

[#11, #12, #13] Test subject recruitment/training/per-session stipends and coaching, medical/psychological monitoring and screenings, and general research/experiment consumables and analytics/admin budget.

[#4, #10] Monthly luthier/technician inspection labor and handler/supervisor/test-support labor (part-time hours aggregated as annual wage expense).

[#20] Annual top-up of contingency/reserve (10–20% guidance applied as a modest fixed top-up).

[#8, #9, #19] Replacement carbon-fiber bows inventory refresh, consumables for handling (gloves, wipes), and instrument care supplies (rosin, strings, adhesives).

[#2, #6, #18] Environmental control recalibration/maintenance, CCTV storage/maintenance, and incremental energy/HVAC allocations for locker and soundproof room.

[#15] Ongoing encrypted storage operations, redaction workflow labor, and IT operations for video/evidence handling.

[#7] Quarterly physical sweeps and interdiction labor to detect unauthorized audio devices (annualized sweep labor).