• what is the obligation of the parties
• who are the parties in a contract of sale and what are the obligations of each party according to the precise articles of the civil code of quebec
• name the vices of consent according to the precise article of the CCQ
• One of those vices has a special legal status

Jack bought 10 porcelain vases from a neighborhood store where he lives in Montreal for $ 10,000. He wants to transport them to New York for an exhibition of ancient art. He asks his friend, John, to transport them with his truck to the agreed destination He states that the vases are antique pieces of the first century and that their values exceed $ 500,000 He asks John if he agrees to carry them, given their high value. John accepts and the next day he begins his journey to New York. Arriving at destination, John realizes that 5 vases were damaged. He contacts Jack and his Insurance Company to assess the situation so he can compensate Jack for his loss. The insurance company's report confirms the true value of the cargo (10 porcelain vases) that does not exceed $ 10,000. Jack, uncomfortable, asks to be paid for the five damaged vases, at their fair value of $ 5,000, because according to him it is the obligation of John according to the law. John refuses to pay Jack what he asks