Blech

*991 Arthur Blech died in 2011, leaving an estate worth in excess of $65 million. At his death, his estate planning documents included the Arthur Blech Living Trust, as amended, and his will, which provided for the "pour over" of most of his remaining assets into the Trust, to be administered as part of the corpus of the Trust by a third party trustee. Arthur *992 left most of his estate in unequal shares to his four children, Raymond, Richard, Robert and Jenifer. 1 The current successor trustee is respondent Comerica Bank.

The issues presented in this appeal relate to how to account for the sale of the 3,050-acre Blech Ranch (the Ranch or the Blech Ranch), located in San Luis Obispo County, California. When the Trustee filed a petition for approval of its first accounting in October 2014, Raymond objected to the allocation, principally on the basis that all of the capital gains tax (income tax) on the sale was allocated to his share. The probate court bifurcated that issue from other objections to this petition and, after a hearing, determined that allocation to be appropriate. Thereafter, with the exceptions we consider on this appeal, the Blech Children resolved their…