________ is a process where authentication and permission will be passed on from one system to another, usually across multiple enterprises, reducing the number of authentications needed by the user

In sentiment analysis, it is hard to classify some subjects such as news as good or bad, but easier to classify others, e.g., movie reviews, in the same way

Indicate whether the statement is true or false

Which of the following statements is FALSE?

A) As long as a firm's choice of securities does not change the cash flows generated by its assets, the capital structure decision will not change the total value of the firm or the amount of capital it can raise. B) If securities are fairly priced, then buying or selling securities has a net present value (NPV) of zero and, therefore, should not change the value of a firm. C) The future repayments that the firm must make on its debt are equal in value to the amount of the loan it receives up front. D) An investor who would like more leverage than the firm has chosen can lend and add leverage to his or her own portfolio.