In our widget example, we will assume that the fixed cost for the stapler, pen, and âfactoryâ is $10 and the cost of each worker hired is $5 per worker. Since fixed costs are constant, the firm incurs $10 regardless of the level of output. Labor is the only variable cost computed by $5 times the number of workers.
How Bull Sharks Can Live in Both Ocean and Fresh Water. Although there are a handful of species that live in freshwater, we tend to think of sharks as being ocean dwellers. But there is also a very unique shark that can live in both ocean and fresh water estuaries and lakes: the Bull Shark.
normally sharks swim at a speed of less than 5 kph but few species such as mako sharks are able to cruise at a speed of 48 kph makos are the world s fastest swimmersthey are agile hunters built for the speed and chasing prey their body is thickest at the center and narrow at the endsormally sharks swim at a speed of less than 5 kph but few species such as mako sharks are able to cruise at a speed of 48 kph makos are the world s fastest swimmers