Rollerball Corporation has the following financial statements for year ending 12/31 2018. (15 points) Rollerball Corporation Income Statement in thousands) 2018 Sales 5,450 Cost of Goods Sold 3.250 Gross Profit 2,200 Depreciation 820 Operating Expenses Administration Esp Operating Profit Interest Expense 88 Profit Before Taxes 707 Taces (359) 247 Net Income Dividends 470 460 250 Rollerball Corporation Balance sheet (in thousands) 2017 2018 100 1,250 1.125 110 1,325 1405 Assets Cash Accounts Receivable Inventory Total Current Assets Gross Fixed Asset Accumulated depreciation Net Fizced Assets Total Assets 2475 2340 2200 1650 200 Liabilities Notes Payable Accounts Payable Total Current Liab Long Term Debt Common Stock Reed Earnings Total Liab & Earnings 350 1.550 2,400 425 400 700 3.925 950 1650 26001 425 400 795 4220 a) What is the investment in working capital from year 2017 to 20187 (3 points)