Problem: Using the option prices given below, give an example of a zero cost collar and explain how it could be used to hedge a long position in the underlying asset. You may assume the underlying asset is an equity currently at $100.
Maturity    Strike    Calls    Puts
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3 Month    90    12.0    1.0
95    8.5    3.0
100    5.5    4.5
105    3.0    7.0
110    2.0    10.0
Please kindly include any assumptions, formulas, detailed steps while providing the solution.