Obnoxious fact: the past tense for "cost", when referring to price, is... "cost": https://ell.stackexchange.com/questions/88872/which-one-is-correct-cost-or-cos

Obnoxious fact: the past tense for "cost", when referring to price, is... "cost": https://ell.stackexchange.com/questions/88872/which-one-is-correct-cost-or-costed https://ell.stackexchange.com/questions/88872/which-one-is-c... "Costed" is something of a hypercorrection, only used in some rare business contexts.