Which constraint ensures that the data in a view cannot be changed?

Which of the following statements regarding culture specific negotiation is correct?

a. Developing personal relationships is not important to the success of negotiations in Nigeria. b. Russians see time as money; friendships are not crucial to business. c. In India, group orientations are common during negotiations. d. The French believe in speaking the language of the country with which they are negotiating.

Harry finds an old stereo in his attic. He sells the stereo to Jake for $50 telling him that it is fully functional, which Jake thinks is true. However, it turns out to be broken. Which of the following statements is true in this context?

A) Jake can sue Harry for fraud in the inducement. B) Jake cannot rescind the deal but can sue Harry for fraud by concealment. C) Jake can sue Harry for innocent misrepresentation. D) Jake can rescind the deal but cannot sue Harry for innocent misrepresentation.