An ILEC's rates for interconnection, unbundled network elements, and collocation (collectively "components"), for purposes of pricing components under Sections 790.310, 790.320, and 790.330, shall equal the forward-looking economic cost of the component, where the forward-looking economic cost equals the sum of the total element long-run incremental cost of the component and a reasonable allocation of forward-looking joint and common costs, as defined by the FCC and determined by the Commission.
Ill. Admin. Code tit. 83, § 790.340