Which of the following would be considered an assurance engagement?
a. Giving an opinion on a prize promoter’s claims about the amount of sweepstakes prizes awarded in the past.
b. Giving an opinion on the conformity of the financial statements of a university with gen-erally accepted accounting principles.
c. Giving an opinion on the fair presentation of a newspaper’s circulation data.
d. Giving assurance about the average drive length achieved by golfers with a client’s golf balls.
e. All of the above.