; (ii) in clause (i), by striking $1,000,000,000 and inserting $4,000,000,000 ; and (iii) in clause (ii), by striking $2,026,000,000 and inserting $4,000,000,000 ; and (2) by adding at the end the following: (5) Inflation percentage Beginning with fiscal year 2019, each of the amounts described in paragraph (1) shall be increased for each fiscal year by the percentage (if any) by which— (A) the average of the Prices Paid By Farmers Index (as compiled by the National Agricultural Statistics Service of the Department of Agriculture) for the 12-month period ending on August 31 of the immediately preceding fiscal year; exceeds (B) the average of that index (as so defined) for the 12-month period ending on August 31, 1996. . (d) Effective date The amendments made by this section take effect on October 1, 2017.