please show calculations and answer, thank you

Using the information below, calculate the cash flow impact of operating working capital for year 2. A positive sign is a cash inflow, a negative sign is a cash outflow. Year 1 Year 2 Receivables 422.9 450 Payables 224.6 260 Long term deferred tax liabilities 624.6 850 Prepaid assets 57.6 65 Inventory 604.7 750 Notes payable 794.2 1250 Accrued liabilities in current liabilities 439 520 Deferred revenue in current liabilities 64.4 75 Deferred revenue in non current liabilities 210.8 225