
Cost
Fixed Price
When discussing cost as a verb, the price given is usually non-negotiable, as in a store price tag.

How much does this book cost?
Hypothetical Transactions
Use 'cost' to discuss the price of hypothetical or future purchases or actions.

Renting a larger apartment would cost more.
Past Purchases
For things already bought, use 'cost' to indicate the money spent in the past.

The wedding cost us a small fortune.
Compare with
ChargeExpenditureExpenseFeeLevyOutlayPriceTariffToll
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