10. Pick up the correct statement from the following:
Options
A. The estimated value of the work excluding the amount for contigencies, work charged establishment, tool and plants, is called work value
B. The actual expenditure involved to complete a work including incidental, establishment and travelling charges, is called actual cost
C. The formal acceptance by the administrative department for incurring an expenditure on the work, is called administrative approval
D. The order of a competent authority sanctioning a properly detailed estimate of the cost of a work of construction or repair is called technical sanction