Mention four materials cost?

1. Steel
2. Wood
3. Concrete
4. Aluminum

1. Raw materials: The cost of the raw materials used to produce a product. This can include the cost of mining, harvesting, or extracting the materials, as well as the cost of transportation and storage.
2. Components: The cost of the individual components that are used to assemble a product. This can include the cost of purchasing the components, as well as the cost of assembly.
3. Labor: The cost of the labor required to produce a product. This can include the cost of wages, benefits, and training.
4. Overhead: The cost of the indirect expenses that are incurred in producing a product. This can include the cost of rent, utilities, equipment, and administration.