X owed Y a debt in the amount of $1,000. The debt was payable on June 1^st. X offered Y the sum of $900 on the due date as payment in full.Y accepted the $900 but then asked for the remaining $100.00 owing.Y says that, at Common Law, Y would be entitled to collect the remaining $100 even though he accepted the lesser sum as payment in full on the due date.Is this true?If yes, explain why.

Does a professional person have any responsibility to a person other than the one who engaged the professional services?

Does a contract under seal require consideration?If not, why not?

In some cases, the courts consider the public interest as an important aspect of a nuisance action.Why is this so?Give an example.