Issue link: http://itf.uberflip.com/i/132044
15.Staff numbers and costs The average number of persons employed by the group (including directors) during the year, analysed by category, was as follows: Number of employees 20122011 Professional Tennis 23 22 Tennis Development 21 21 9 9 12 12 8 7 18 18 91 89 Commercial Presidential & Communications Science & Technical Finance & Administration The aggregate payroll costs of these persons were as follows: 2012 2011 $000$000 Wages and salaries 7,5046,613 Social security costs 753 Contributions to defined contribution plans (note 17) 403326 8,660 651 7,590 The total staff costs of $9,228,000 (2011: $8,200,000), have been charged to the six departments as follows: 20122011 $000$000 Professional Tennis 1,7901,367 Tennis Development 1,7261,648 Commercial 1,1931,098 Presidential & Communications 2,1822,024 Science & Technical Finance & Administration 564 1,6991,499 9,2288,200 638 The difference of $568,000 (2011: $610,000), between aggregate payroll costs and total staff costs relates to private healthcare, recruitment, temporary staff, training and other staff costs. The impact of the increase in the sterling exchange rate on salaries in 2012 was $328,000. ITF FINANCIAL STATEMENTS 53