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I'll submit the final report as requested.
Literal
Request-per [attributive-に] final report [object-を] submit.
~通りに ('according to / as X') attaches to a noun or verb (plain or ta-form) meaning 'following [the pattern of] X.' 要求通りに = 'as requested / per the request.' 提出する is the formal business/academic verb for 'submit / hand in,' more specific than the everyday 出す.