Of the following communication channels, which one is a light-based system?

The 2011 report from the trustees of Social Security indicates that:

A) Social Security will be bankrupt by the year 2024 B) with no changes to the program, the Medicare Hospital Insurance trust fund will be exhausted in 2024 C) Baby Boomers are specifically responsible for bankrupting the system D) with no changes to the program, all benefits will be fully-funded through the year 2018

Problems may arise if there are several children who want to take over a company from the parents because

a. hurt feelings may develop when the parent chooses one child as manager over the others. b. only one child should work in the business. c. only one should know the true financial picture of the company. d. all of the above