; and (II) will correspond to differences in quality based on the State's tiered and transparent system for measuring the quality of child care providers, described in paragraph (2)(W)(i), and based on the standards described in paragraph (2)(W)(ii); and (ii) specify whether the State is electing— (I) to include, in those payment rates, a bonus for serving children during nontraditional hours; or (II) to waive the copayment described in paragraph (5) for a child who has been identified as eligible for assistance from child protective services. (B) Cost estimation model The State plan shall— (i) demonstrate that the State has, after consulting with the entities and individuals described in subparagraph (D), developed and used (not earlier than 3 years before the date of the submission of the application containing the State plan) a statistically valid and reliable cost estimation model for the rates of such child care services in the State— (I) for providers at each of the tiers of the State's tiered and transparent system for measuring the quality of child care providers described in paragraph (2)(W)(i) (which rates reflect variations in the cost of child care services by geographic area, type of provider, and age of child, and the additional costs associated with providing high-quality and inclusive child care services for children with disabilities and infants and toddlers with disabilities); and (II) for providers that meet the standards described in paragraph (2)(W)(ii); (ii) demonstrate that the State prepared a detailed report containing the child care costs estimated with the State cost estimation model pursuant to clause (i), and made the estimated costs widely available (not later than 30 days after the completion of the estimation) through periodic means, including posting the estimated costs on the Internet