; and (bb) with respect to such residents that receive training in a rural training location and who are not participating in a rural track or an integrated rural track, the total elective rural sustainability amount per resident shall be equal to 50 percent of the amount established under subclause (I) (referred to in this subsection as the urban total elective rural sustainability amount ). (ii) Updating for subsequent cost reporting periods For each subsequent cost reporting period, the total elective rural sustainability amount under clause (i)(I) and clause (i)(II)(aa) and the urban total elective rural sustainability amount under clause (i)(II)(bb), respectively, are equal to such amounts determined under such clause for the previous cost reporting period updated, through the midpoint of the period, by projecting the estimated percentage change in the consumer price index for all urban consumers (all items