Can you please help me with the attached. Questions are at the bottom of the excel spreadsheet

Income Statements Net Sales Cost of Goods Sold Gross Profit Operating Expenses Operating Income (EBIT) Interest Expenses Income Before Taxes (EBT) Income Taxes Net Income 2006 32,513 19,183 13,330 10,758 2,572 361 2,211 1,040 1,171 2007 35,601 21,700 13,901 11,050 2,851 400 2,451 858 1,593 Calculate Free Cash Flow for 2007 Free Cash Flow = NOPAT - Change in NFA - Change in Net Working Investment 1) Calculate Net Operating Profit After-tax (NOPAT) 2) Calculate the Change in Net Fixed Assets (NFA) 3) Calculate the Change in Net Working Investment Assume cash tax rate is 0 bps above effective tax rate Balance Sheets Cash Accounts Receivable (AR) Inventories (Inv) Current Assets (CA) Net Fixed Assets (NFA) Total Assets (TA) 2006 1,617 5,227 4,032 10,876 4,073 14,949 2007 1,863