How might self$-$serving bias be observed in a corporate annual report?

a$.$ The report would highlight the company's problems and avoid mentioning its successes.

b$.$ The report would emphasize the personal qualities of the executives as the main reasons for the company's success.

c$.$ The report would exclude any bad news about the organization's performance.

d$.$ The report would acknowledge that competition, the economy, and other external factors are the main reasons for the company's recent success.

e$.$ The report would acknowledge some of management's mistakes, but suggest that management in other companies have been making the same mistakes.