When fitting a straight line to a scattergram, the best-fitting line is called the regression line

According to the PCAOB, an accounting firm's independence is least likely to be impaired if the firm

a. Provides a service to the audit client for a contingent fee b. Receives a commission from the audit client c. Has an audit client that employs a former firm professional d. Provides tax services to a person in a financial reporting oversight role at the audit client

Open interest allows investors to change the interest rate on futures contracts

Indicate whether the statement is true or false