; (ii) carrying out preemployment transition services for such youth as described in paragraphs (1) through (7) and (9) of section 113(c); (iii) implementing service models to address the unique needs of individual transition-aged youth, such as customized employment, individual plans and support models, and supported employment; and (iv) carrying out such other activities as may be necessary to ensure that such youth are able to obtain customized, competitive integrated employment. (B) Milestones for implementation Each State that receives a grant under this subsection shall achieve the following milestones during the grant period: (i) First year In the first year of the grant period, the State shall carry out such planning activities as are necessary to implement the program funded with the grant. (ii) Second year In the second year of the grant period, the State shall begin carrying out the program funded with the grant and shall collect data on the performance of the program. (iii) Third year In the third year of the grant period, the State shall begin to identify lessons learned and methods to ensure the sustainability of the program. (iv) Fourth year In the fourth year of the grant period, the State shall demonstrate to the Secretary that the program funded with the grant has been fully implemented and is sustainable. (7) Report (A) In general Not later than four years after the date on which the last grant is made under this subsection, the Secretary shall submit to Congress a report on the activities carried out with grants under this subsection. (B) Elements The report under subparagraph (A) shall include, with respect to each State that received a grant under this subsection, the following: (i) a description of how the State used the grant funds; (ii) the number of individuals who obtained customized, competitive integrated employment as a result of participating in activities funded with the grant; (iii) with respect to the employment obtained by such individuals— (I) the average wage earned