Couch: 200
https://supost.com/post/index/129980395

Book shelf: 20
Similar to: https://www.target.com/p/9-cube-organizer-brightroom/-/A-83961103

Dining Table + 4 chairs
ZINUS Jen 47 Inch Dining Table, Solid Wood Kitchen Desk, Easy Assembly, Natural Brown
Good condition

Original:
Table: https://www.amazon.com/Zinus-Mid-Century-Modern-Dining-Natural/dp/B077H7B4PB/
Chairs: https://www.amazon.com/Furmax-Assembled-Century-Plastic-Kitchen/dp/B075DCHX5G

Price $100 (for table and chairs together)