Answer:
1. Relevant costs are also known as unavoidable costs - False.
Relevant costs are in fact, avoidable cost that only emerge in specific business decisions.
2. Incremental costs are also known as differential costs - False
Incremental costs are costs that are incurred when an additional unit of output is produced. Differential costs ocurr when a particular product is made instead of another.
3. An out-of-pocket cost requires a current and/or future outlay of cash. - True
An out-of-pocket cost or expense is a direct payment of money, in other words, an outlay of cash.
4. An opportunity cost is the potential benefit that is lost by taking a specific action when two or more alternative choices are available - True
An opportunity cost can also be defined as what is given up to obtain something.
5. A sunk cost will change with a future course of action. - False
Sunk costs are costs incurred in the past, that cannot be recovered, or modified.