Distinguish between the different types of costs that were examined this week,

1.Distinguish between the different types of costs that were examined this week, such as sunk costs, opportunity costs, and outlay costs. [please also mention other costs that are not listed]
2.What costs are relevant to decision making?
3.How do managers overcome the natural tendency to consider historical and sunk costs when evaluating business alternatives?

Approximately 500 - 1200 words max. Please in cite referencing [Harvard style] and Harvard Referencing.
Please use Journal articles.
One or two real life examples