could you help me soleve the finance management problem

The Table below represents some of the financial information for LARS Inc. for 2014 and 2014. The cost of capital for LARS is estimated to be 10%. 2014 ($'000) 2015 ($'000) 75.000 78,750 (1) Sales (2) Cost of Goods sold 45,000 47250 4200 4,000 (3) R&D Expenses 10,000 10500 (4) Administration Costs 5) Depreciation ,000 1050 60 Interest Income 5000 5150 Taxable Income: 20,900 20,000 4) -(5) (6 Taxes (40%) 82000 8,360 L 12,000 12,540 After-Tax Income 5.000 Capital Expenditures 5000 Cash 100000 103,000 7000 7000 Inventory 10,000 11,000 Accounts Receivable 8500 9500 Accounts Payable What is LARS's EBIT for 2015 and its Change in Net Working Capital over 2014-2015? (Note: LARS need yery little cash for its operations)