Iridium Corp

Iridium Corp. has spent $3.3 billion over the past decade developing a satellite-based telecommunication system. It is currently trying to decide whether to spend an additional $358 million on the project. The firm expects that this outlay will finish the project and will generate cash flow of $15.5 million per year over the next years. A competitor has offered $454 million for the satellites already in orbit. Classify the firm's outlays as sunk costs or opportunity costs, and specify the incremental cash flows. 
The $3.3 billion already spent is 
Mand it is 
The $358 million is an incremental cash outflow and it is The $15.5 million per year is a cash inflow and it is The $454 million offer for satellites is 
and it is 
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