Use the following formulas to generate annual free cash flows:Incremental Net Income $=($Revenue $-$ Operating costs $-$ Depreciation $-$ Opportunity cost $+$ Side effects$)$ x $(1-$ tax rate$).$ Annual Project Free Cash Flow $=$ Incremental Net Income $+$ Depreciation $-$ Capital Expenditure $-$ Changes in NWC$.$ Please answer all questions$/$blanks and include excel formulas please.