the value of benefits determined under section 8(a) of the Food and Nutrition Act of 2008 ( 7 U.S.C. 2017(a) ), and consolidated block grants for Puerto Rico and American Samoa determined under section 19(a) of such Act ( 7 U.S.C. 2028(a) ), shall be calculated using 115 percent of the June 2019 value of the thrifty food plan (as defined in section 3 of such Act ( 7 U.S.C. 2012 )) if the value of the benefits and block grants would be greater under that calculation than in the absence of this subsection. (b) Minimum amount (1) In general The minimum value of benefits determined under section 8(a) of the Food and Nutrition Act of 2008 ( 7 U.S.C. 2017(a) ) for a household of not more than 2 members shall be $30. (2) Effectiveness Paragraph (1) shall remain in effect until the date on which 8 percent of the value of the thrifty food plan for a household containing 1 member, rounded to the nearest whole dollar increment, is equal to or greater than $30. (c) Requirements for the Secretary In carrying out this section, the Secretary shall— (1) consider the benefit increases described in each of subsections (a) and (b) to be a mass change