Which of the statements are true? i. Tangency is a necessary condition for optimal choice ii. In general, tangency is not a sufficient condition for optimality ii. For convex preferences, tangency is a sufficiernt condition for optimal choice iv. All of the above Choices RESPONSE CHOICE (4) a. Only iv b. i and iii C. i, ii and iii d. Only ii
Firstly, I am going to answer this question through the options i, ii, iii, and iv, because there is a mistake in the a., b., c., and d. options.
Option i is definitely true becau...