(a) When a special assessment district is created, there may be included in the assessments
- (1) all of the cost of acquiring, installing, making, or constructing the local improvement;
- (2) the costs of all engineering and surveying to be done in connection with creating the district or improvement;
- (3) the cost of mailing and publishing notices;
- (4) interest on interim financing;
- (5) the cost of legal services and other expenses incurred in the formation of the special assessment district;
- (6) the cost of completing the improvement and financing the improvement, including the issuance of bonds.