90-5-109. Cost of projects. The cost of acquiring or improving any project shall be deemed to include the following:

(1) the actual cost of acquiring or improving real estate for any project;

(2) the actual cost of construction of all or any part of a project which may be constructed, including architects' and engineers' fees;

(3) all expenses in connection with the authorization, sale, and issuance of the bonds to finance such acquisition or improvement;

(4) bond reserves and premiums for insurance of lease rentals pledged to pay the bonds; and

(5) the interest on such bonds for a reasonable time prior to construction, during construction, and for not exceeding 6 months after completion of construction.