AXIOM, generally, it is a saying that is widely accepted on its own merits; in logic, it is a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident.
IN-KIND is the value of goods or services provided for which money would have otherwise been paid.
PUT OPTION is the right but not the obligation to sell an underlying at a particular price (strike price) on or before the expiration date of the contract. Alternatively, a short forward position with an upside insurance policy.
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