Iridium Corp. has spent $3.1 billion over the past decade developing a satellite-based telecommunication system. It is currently trying to decide whether to spend an additional $342 million on the project. The firm expects that this outlay will finish the project and will generate cash flow of $14.2 million per year over the next five years. A competitor has offered $443 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 $3.1 billion already spent is and it is (Select from the drop-down menus.) The $342 million is an incremental cash outflow and it is (Select from the drop-down menus.) The $14.2 million per year is a cash inflow and it is (Select from the drop-down menus.) The $443 million offer for satellites is and it is (Select from the drop-down menus.)