Odoo Cost Field Permission Restriction

I’m running Odoo 18 (Enterprise) and need to stop everyday users from editing the product cost field (standard_price). At the moment anyone can overwrite it, putting our margins at risk. The goal is simple:... (Budget: ₹600 - ₹1500 INR, Jobs: Data Backup, Database Administration, Linux, MySQL, Odoo, PostgreSQL, Python, Ubuntu)