The total cost function can be used to estimate average unit cost by dividing the terms by 
The total cost function can figure out the average cost.
The total cost function cannot help figure out the average cost.
Several companies decided not to dump their tax-deductible loot.
People are in the middle of a field.
Tuppence had no interest in being pitied.
A teacher works with some students.
The institution has fallen from its previous standards since Jackson II.
A guy is wearing clothing.