The proceeds from the sale of any bonds issued under authority of this chapter may be applied only for the purpose for which the bonds were issued, except any premium and accrued interest received in any sale must be applied to the payment of the principal of or the interest on the bonds sold, and if for any reason any portion of the proceeds are not needed for the purpose for which the bonds were issued, that portion of the proceeds must be applied to the payment of the principal of or the interest on the bonds. The cost of acquiring any project includes the following:
S.C. Code § 13-19-170