liquidity

I would add:

Amortization of bond discounts/premiums and Restructuring Charges to NCC

and, the tricks around converting from EBITDA, EBIT, etc.

also, here's (I think) a better way too look at Net PPE that has the different effects. Pls double-check the signs, but I think it's a keeper:

Beginning Net PPE - Depreciation + FCInv(solve) + Proceeds from PPE Sales - Book Value of Assets sold = Ending Net PPE