Problem 2. a.) As you see, adding up the fertility rates gives a total fertility rate of 1.22 per person, or 2.44 per woman. Many observers project this to decline quickly and reach a number below 1 per person (or 2 per woman) by the end of the century. Change the birthrate for Age Class B to 0.85 in the model above1 make a new computation in google sheets and plot the total population to see how your pro- jection for the coming 200 years change. Don't forget that if you copy paste your table to create the new computation you need to repeat the operation with the