b'STAATSOLIE MAATSCHAPPIJ SURINAME N.V.NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED DECEMBER 31, 2021 (Continued)Other operating expenses(X US$ 1,000) 2021 Restated 2020Externalservices (772) (863)Employeebenefitsexpense (1,300) (460)Maintenanceexpense (743) (505)Insurance costs- - Utility expenses(22) (26)DepreciationandamortizationofPPE (177) (285)Depreciation of right-of-use assets(46) (77)Travelexpenses-(3)Freight-(8)Other expenses* (8,563)21 Total (11,623)(2,206)*Other expenses comprise costs from several sources. The (US$ 8,563) mainly relates to a provision made of (US$ 8,608) for slow moving & obsolete materials at the refinery. General and administrative expenses(X US$ 1,000) 2021 Restated 2020Employeebenefitsexpense (22,383) (22,192)Externalservices (9,912) (9,705)DepreciationandamortizationofPPE (1,996) (2,163)Depreciation of right-of-use assets(598) (669)Maintenanceexpense (461) (470)Insurance costs (586) (1,262)Utility expenses(563) (545)Donations(988) (919)Other expenses109 (1,236)Total (37,378)(39,161)107'