Betelgeuse is a star whose luminosity exceeds 1.2 * 105 LSUN, but its measured surface temperature is quite low for a star, about 3500K.What would be its estimated size and where would it fall in the H-R diagram shown in the figure below? What would be the final fate of Betelgeuse? 
Definitions:
Markup
The difference between the cost of a good or service and its selling price, expressed as a percentage of the cost.
Cost-Plus Approach
A pricing strategy where a fixed percentage is added to the production cost to determine the sale price of a product.
Bottleneck
A stage in a process that reduces the overall capacity because it runs at the slowest speed.
Contribution Margin
The excess of sales over variable costs.
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