Fun fact, ‘cost’ is a regular verb in Canadian English. Infering from the lemmy.ca instance, the comment op might be a Canadian, which means the usage of ‘costed’ is correct.
I am Canadian, and I was taught Cost as past tense in school and university. I’ve never seen it written Costed for past tense in any government publication either.
Fun fact, ‘cost’ is a regular verb in Canadian English. Infering from the lemmy.ca instance, the comment op might be a Canadian, which means the usage of ‘costed’ is correct.
Source: https://grammarist.com/usage/costed/
I am Canadian, and I was taught Cost as past tense in school and university. I’ve never seen it written Costed for past tense in any government publication either.