In Avataria one-forth of all females born die in infancy, and the rest of them live until age 60.
Women bear 1 child at age 18, 1 child at age 24, 1 child at age 26, and 1 child at age 30.
One-half of children are boys.
*Calculate the TFR (Total Fertility Rate) and NRR (Net Reproduction Rate).