What is a marginal tax rate? the actual percentage of federal tax paid
the highest percentage of federal tax paid
the lowest percentage of federal tax paid
the rate difference between joint and single filers

Which of the following pairs is most similar to each other? a. barter goods and fiat money b. digital money and barter goods c. fiat money and digital money d. commodity money and digital money

Which of the following mechanisms would be most likely to motivate managers to act in the best interests of shareholders? a) decrease the use of restrictive covenants in bond agreements, b) take actions that reduce the possibility of a hostile takeover, c) elect a board of directors that allows managers greater freedom of action, d) increase the proportion of executive compensation that comes from stock options and reduce the proportion that is paid as cash salaries, e) eliminate a requirement that members of the board directors have a substantial investment in the firm's stocks

Email viruses are typically launched by people who modify header information to hide their identity. brightmail's enrique salem says that in the future, your email reader will authenticate the sender before putting hte message in your inbox. that way, you will know the source of all the emails you read. alan nugent of novell says, "i'm kind of a fan of eliminating anonymity if that is the price for security." will eliminating anonymity make computers more secure?