The football World Cup is only 28 days away and one company certain to benefit from the tournament is betting firm Ladbrokes. Ladbrokes is due to give an update tomorrow and the bookie might give an indication of how popular the tournament has been so far for its punters.Last month, the group received an £80m rebate from the tax man. It was an unexpected windfall that broker KBC Peel Hunt had not accounted for in its earnings forecast for the bookie."Whilst it doesn't change the fundamental challenges facing the group it is another positive piece of news following the Canal+ joint venture and the exit from Italy," the broker said..NTERIM DIVIDEND PAYMENT DATE Carr's Milling Industries, London & St lawrence Inv Co. QUARTERLY PAYMENT DATE British Land Co, Merchants Trust INTERNATIONAL ECONOMIC ANNOUNCEMENTS Business Inventories (US) (13:30) Capacity Utilisation (US) (16:15) Industrial Production (US) (16:15) Retail Sales (US) (13:45) Retail Sales Inventories (US) (15:15) GMS Ladbrokes FINALS Reliance Infrastructure GDR (Reg S) ANNUAL REPORT London Security, M. P. Evans Group IMSGartmore Group , Ladbrokes, Renishaw, Unite Group AGMS ARM Holdings, Computacenter, Edinburgh UK Tracker Trust, Global Energy Development, Intertek Group, Irish Life & Permanent Group Holding, Kazakhmys, Ladbrokes, Rentokil Initial, SPARK VCT 2, Standard Life, Sunkar Resources FINAL DIVIDEND PAYMENT DATE Arbuthnot Banking Group, China Medical System Holdings, Delcam, Drax Group, Fisher (James) & Sons, Goldenport, Invista Real Estate Investment Management Holdings, Kerry Group 'A', Molins, Raven Russia, ROK, Signet Global Fixed Income Strategies GBP Shares, Sperati (Ca), T Clarke, Xstrata