Calculating efficiency over a period of time can identify opportunities to reorganize staffing, or add or remove employees based on the company's volume of business, and an individual employee's long-term productivity can factor into merit increases and bonuses.
While trusts avoid probate, they don't avoid taxes. A transfer from a revocable trust will be taxed the same way as a transfer made through a will. Someone who inherits money from a revocable trust receives it tax-free, but the estate might have to pay estate tax on everything that it contains before distributing it.
The short answer is that the U.S. doesn't impose inheritance taxes on bequests. Similarly, transfers by gift of property not situated in the U.S. from foreign nationals not domiciled in the U.S. are not subject to U.S. gift taxes. However, many other U.S. tax rules may apply to such a gift or inheritance. This article describes the U.S. tax rules that apply to transfers by gift or inheritance of property from abroad to U.S. citizens, U.S. lawful permanent residents (green card holders), or foreign nationals residing in the United States.