It quickly tells us our growth pattern. If we are making 6 percent, it takes 12 years. If we are making 7.2 percent, it takes 10 years. A baby girl now has a life expectancy of about 78 years. When planning your estate for tax purposes, keep the likelihood of growth in mind.
Many donors have a certain figure in mind for the amount they want their heirs to have.
If you have such a figure in mind, you might decide to leave the balance to charity.