text: 29.4 While an increase is expected under overtime and night differential ($1,524,300), a net saving of $7,099,900 is anticipated under this heading as a result of decreases under established posts and common staff costs ($6,371,300), temporary assistance for meetings ($1,900,500), general temporary assistance ($211,400), and temporary posts for the elimination of the backlog in the publication of the Treaty Series ($141,000). 29.5 The net decrease of $6,371,300 under established posts ($5,323,400) and common staff costs ($1,047,900) is primarily attributable to a higher vacancy rate than the standard rate. The vacancy rates as of 31 August 1983 were 8.6 per cent at Professional and higher levels and 6 per cent at the General Service staff level. These high rates are mainly due to a large turnover of staff and to recruitment difficulties for language service posts, particularly in the case of Arabic language staff. The lower rate of inflation also contributed to this saving ($743,800). 29.6 A decrease of $1,900,500 under temporary assistance for meetings is, to some extent, attributable to the lower levels of actual output in translation/revision, typing and reproduction than those anticipated (see para. 29.1 above), and, to a greater extent, the use of overtime when more practicable than the recruitment of temporary assistance staff. The lower levels of recruitment of typists for the thirty-seventh and thirty-eighth sessions of the General Assembly as a result of the introduction of word processing and the use of facsimile transmission for the translation of documents for both sessions of the Law of the Sea conferences held in Jamaica generated substantial savings under this object of expenditure. 29.7 A net decrease of $211,400 under general temporary assistance is due to a lower incidence of extended sick and maternity leave during the biennium, which resulted in the recruitment of less replacements than anticipated. 
analysis: The text appears to be related to the financial management and budgeting of an international organization, specifically the United Nations. It discusses the expected savings and decreases in certain areas of expenditure, such as established posts, common staff costs, temporary assistance, and general temporary assistance. The text also mentions specific departments or activities, such as the Treaty Series, translation/revision, typing, and reproduction, which are likely related to the organization's administrative and secretarial functions.