Please refer to the following data concerning 4 investment alternatives: 
Which project has the highest profitability index?
Definitions:
Disjunction
A logical operation that results in true if at least one of its component statements is true.
Self-Contradiction
A statement or proposition that inherently contradicts itself, making it logically impossible.
Biconditional
A logical statement that is true if both its components are either true or false together.
Self-Contradiction
Self-contradiction is a logical inconsistency whereby a statement contradicts itself directly or indirectly, rendering it logically impossible.
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