Differential analysis refers to
the process of estimating revenues and costs of alternative actions available to decision makers and of comparing these estimates to status quo
Differential costs
costs that differ among two or more alternatives; differential costs change in response to alternative couses of action
Sunk costs are
costs incurred in the past that cannot be changed by present or future decisions
Special Orders:
Financial staatements prepared in accordance with GAAP do not routinely
provide differentail cost information