I don't understand the answer. How is it calculated?

Revenue Sales 6590 Costs Bay Machines 3600 965 Buy law materials Overheads 789 Rent costs 17 Other Inventory at end of year is valued at the acquisition value: 564 The machines are estimated to have linited econ econonic life. The same amount of deprecation is made each year. lifespan, number of years: lo The owner invested capital at the beginning of the year: Private withdrawls during the year: company rization free bank loan at the start of the year: 654 a55 . 355 The received an amortizo What is the balance sheet total? Answer: 6277 asmenysrantares