One practical way we can slow down the global population growth is by introducing access to contraceptives and family planning. Notably, this would be very helpful for developing countries that have high TFR. But as you know, it costs money to provide such a service. If the United Nations can pay for a one-time program to encourage people in developing countries to seek access to contraceptives and family planning, discuss the most appropriate time to introduce this program. Assume that the program will be introduced at the beginning of one of the demographic transition stages. Choose the most appropriate stage and explain your reasoning