For the purposes of this chapter, the term "cost of relocation" includes the entire amount paid by the private corporations, private companies, municipality, authorities or agency of the state, or authority, properly and reasonably attributable to relocation, after deducting therefrom any increase in the value of the new facility and any salvage value derived from the old facility. The amount of reimbursement for the cost of relocation shall not be reduced by any expired service life of the old facility.
R.I. Gen. Laws § 24-8.1-4