Which of the following statements is true about why AAOIFI Framework was introduced?

a. AAOIFI Framework was introduced because there was no existing framework for banking industry.

b. AAOIFI Framework was introduced to enable the development of a common accounting and reporting framework for IFIs and promote harmony in accounting treatments.

c. AAOIFI Framework was introduced for specific reporting demands of certain countries.

d. AAOIFI Framework was introduced as IFRS was no more useful for reporting IFIs.