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(10 points) A predatory spider sits in its web waiting for prey to pass by. there are four types of potential prey in the environment:

In a modeling of foraging behavior, profitability for a captured prey to be eaten is calculated by division of its Energy gain (E) to its handling time (h). 

By considering the weight of the prey for measuring its energy gain, rank from low to high the set of prey items by profitability. (item 4 is the most profitable) 
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