But I'm doubting about whether to use costs or cost.
The costs are 130 credits per code
You need to use costs only when they are clearly multiple, Vince: My travel costs include accommodation, meals and entertainmen t. My meal costs were $2 for breakfast, $4 for lunch and $18 for dinner. Your example should be singular: The cost is 130 credits per code.
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Mister MicawberYou need to use costs only when they are clearly multiple, Vince:
My travel costs include accommodation, meals and entertainment.
My meal costs were $2 for breakfast, $4 for lunch and $18 for dinner.
Your example should be singular: The cost is 130 credits per code.
Your at low cost i
if at low cost is idiomatic, would at low costs always be wrong? Or are there exceptions (this is a language, so why not?)Very perceptive of you, and true indeed: it is usually not a matter of which is right and which is wrong, but rather which is commonly used and which see