What is the missing symbol in this plutonium fission reaction? 
Pu + 
n 
______ + 
Sr + 3 
n
Definitions:
Profit Functions
Mathematical functions that represent a firm’s profits, typically as a function of price and quantity.
Pigouvian Tax
A tax imposed on any market activity that generates negative externalities (costs not reflected in the market price) with the aim of correcting the market outcome.
Cost Function
A mathematical relation that describes how production costs change with variations in the level of output.
Competitive Price
A pricing strategy that aims to attract customers by setting product prices similar or lower than rivals in the market.
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