Question 5 1 pts With a more modern approach to optimal income taxation, we want MU/MR to equal lambda. What does lambda signify? O The value of additional government revenue in our society 0 We really didn't get to the details of this model so everyone should get full credit on this question. 0 The value we place on responsibility in our society 0 The value we place on good governance in our society 0 The value we place on efciency in our society