UNLIQUIDATED can mean: not liquidated; not exactly ascertained; not adjusted or settled.
COVERAGE RATIO is a measure of a corporations ability to meet a certain type of expense. In general, a high coverage ratio indicates a better ability to meet the expense in question. Examples: dividend coverage, fixed-charge coverage, interest coverage, preferred dividend coverage.
OPTIMAL SOLUTION is that which is determined to be the best solution from all feasible solutions.
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