When futures accounts are marked-to-market, an account balance below the maintenance margin must be brought up to the initial margin

The mode of transportation that is highly cost effective for bulky items but has relatively poor delivery speed is:

A) highway. B) water. C) rail. D) air.

Which of the following are required to measure the performance of a diversified stock portfolio?

I. Price changes II. Dividend payments III. An appropriate index to use as a benchmark IV. The risk-free interest rate A) I, III and IV only B) I, II and IV only C) I, II and III only D) I, II, III and IV