It's the cheapest and best option I found on amazon at the time:

Desk - Amazon.com: Foxemart 55 Inch Computer Desk Modern Sturdy Office Desks 55” PC Laptop Notebook Study Writing Table for Home Office Workstation, Rustic Brown: Kitchen & Dining

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Shelf - Amazon.com: Industrial Ladder Shelf, 4-Tier Bookshelf, Plant Flower Stand, Multipurpose Organizer Rack for Home, Office, Living Room, Balcony, Bedroom by Pipishell: Kitchen & Dining