(a) In determining the total cost of the proposed tax lagoon works of improvement, the board of lagoon management commissioners shall include, among other things, the estimated costs of dredging, the estimated cost of forming the tax lagoon, the amount of damages, if any, awarded to landowners, and the amount of compensation, if any, to be paid to landowners for works of improvement previously performed and deemed adequate under § 4319 of this title.
(b) The estimated cost of interest which will develop if the tax lagoon borrows money to finance the dredging of the lagoon shall not be included in the total cost of the proposed tax lagoon works of improvement.