Correct option is B
The term
capital cost refers to the total expenditure incurred from the beginning to the completion of a construction project. It includes all costs associated with the construction, such as materials, labor, overheads, and other related expenses.
Approximate cost: Usually refers to a rough estimate of the cost, not the total expenditure.
Labour cost: Refers specifically to the cost associated with the workforce involved in the construction.
Material cost: Refers to the cost of the materials used in construction.
Capital cost: Correct, as it encompasses all costs from the start to the completion of the project.
Therefore, the correct answer is (b) Capital cost.