This figure has been replaced. See Retained earnings, year to February 2020.
Where it comes from
The line in the source
第22期 決算公告 ... 当期純利益 153億6,700万円 ... 利益剰余金 608億2,300万円 In English
(gloss) 第22期: net profit ¥15,367M; retained earnings ¥60,823M per 官報ブログ transcription.
Related figures
The same measure, other periods