53 Pa. C.S. § 8007
The cost of a project includes the amount of all payments to contractors or for the acquisition of a project or for lands, easements, rights and other appurtenances deemed necessary for the project, fees of architects, engineers, appraisers, consultants, financial advisors and attorneys incurred in connection with the project financing costs, costs of necessary printing and advertising, costs of preliminary feasibility studies and tests, cost estimates and interest on money borrowed to finance the project, if capitalized, to the date of completion of construction and, if deemed necessary, for one year thereafter, amounts to be placed in reserve funds, if any, a reasonable initial working capital for operating the project and a proper allowance for contingencies and any amount which constitutes, under generally accepted accounting principles, a cost of, and which has been determined by an independent actuary or other expert to be required for the purposes of, a reserve or a contribution toward a combined reserve, pool or other arrangement, for losses or liabilities covered by a self-insurance arrangement established by one or more local government units.
53 Pa.C.S. § 8007