We will look at the cost of building shelves from scratch. We will also look at the materials needed and how much time it takes to build a shelf. Materials needed: - 2 x 8 x 4 wood boards (2ft x 8ft) - $4.00 - 3/4" plywood - $10.00 - 2" screws - $0.30 - 4" screws - $0.50 - Wood glue - $3.00 Total cost: $21