Question 19 0 / 1 pts This is a better learning curve question that follows my Lecture 2e material much more closely. Dr. J. Smith teaching microeconomics. In her first year of teaching, it took her 6 class sessions to cover the first 8 chapters of the text. With a "learning rate" , r, of 85%, how many class sessions will it take Dr. Smith to cover the first 8 chapters after 5 years of teaching (so N = 5)? O 1.02 class sessions O 6 class sessions O 5.1 class sessions O 4.11 class sessions