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Longman Dictionary of Contemporary English
cost price
noun
EXAMPLES FROM CORPUS
▪ If the selling price is greater than the cost price, then a profit is made.
▪ It's still here if she wants it - at cost price.
▪ Its cost price per widget is $ 2, and inventory carrying costs are 20 percent of average inventory level.
▪ Lucky he'd got it cost price, slightly soiled, after the shoot.
▪ The amount of profit is the difference between the selling price and the cost price.
▪ These will be assembled on to one tape and copies will be made available to participants at cost price.
▪ They will retail at cost price, plus £5 which goes to the charity.
Wiktionary
cost price

n. 1 (context finance English) The amount paid by a trader for goods purchased. 2 (context finance English) The cost to a manufacturer of producing an item, before any profit is taken.

Wikipedia
Cost price

In retail systems, the cost price represents the specific value that represents unit price purchased. This value is used as a key factor in determining profitability, and in some stock market theories it is used in establishing the value of stock holding.

Usage examples of "cost price".

Now, the difference between the selling and cost price is enormous.

It was a regular shop, for Amsel let his capital work for him and had purchased in his mother's store, hence at cost price, hammers, two handsaws, drills, pliers, chisels, and the pocketknife equipped with three blades, a leather punch, a corkscrew, and a saw.

Not a glass of Lucan nor as much as the cost price of a highlandman's trousertree or the three crowns round your draphole (isn't it dram disgusting?

Electronic Solutions in the morning, see if they'll do it cost price.