to cost

(Economics, Accounting & Finance / Accounting & Book-keeping)

to estimate the cost of (a product, process, etc.) for the purposes of pricing, budgeting, control, etc.

To estimate or determine the cost of: The accountants costed out our expenses.

http://www.thefreedictionary.com/cost

die Kosten eines (Produkts, Verarbeitung, usw.) abschätzen
für den Zweck der Preisfestsetzung, Finanzplanung, Überprüfung, usw.

Pons-Collins:
cost - ... b: (pret, ptp 'costed') (= work out cost of) (project etc) veranschlagen
c: (pret, ptp 'costed') (Comm), = put a price on) (articles for sale) auspreisen (at - zu) ...
cost out - (kostenmäßig) kalkulieren

Yes, the transitive sense is regular; the principal parts are

cost, costed, costed

cost v.tr.
1. To have as a price.
2. To cause to lose, suffer, or sacrifice: Participating in the strike cost me my job.
3. past tense and past participle costed
to estimate or determine the cost of:
The accountants costed out our expenses.

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

3. verb transitive

How sweet, w, thank you for the nicely identified source. You're getting a little better every day. Just keep practicing. (-:

Transitive without an indirect object. Whatever.