; and (ii) by striking the period at the end and inserting a semicolon; and (C) by adding at the end the following: (iii) for fiscal year 2019, $2,191,000,000; and (iv) subject to the availability of appropriations under section 18(a), for fiscal year 2018 and each fiscal year thereafter, the amount determined under clause (iii), as adjusted by the percentage by which the low-cost food plan has been adjusted under section 3(l–A)(4) between June 30, 2018, and June 30 of the immediately preceding fiscal year. .