“I had suggested charging him 2% per annum interest on any sums advanced.” (Photo subject is a model.) - Getty Images/iStockphoto Dear Quentin, I have been managing my widowed mother’s finances for the past few years. She is 90 years old and her trust consists of a home, an IRA that I am trying to gradually wind down over the next five years, and other holdings, mostly Treasurys. The trust is to be divided among my sister, my brother and me, with my sister receiving 44% of the estate and my brother and I ...