The accounting issues at failed savings and loan institutions included: a. The failure to disclose dubious deals between the S&Ls and some of its major customers b. The failure to provide adequate allowances for loan losses c. The existence of inadequate controls to prevent inadequate allowances and control for dubious deals d. All of the above

D all of the above

Explanation:

Failed savings and loan institutions is characterised by account issues such as failure to disclose dubious deals between the S&Ls and some of its major customer, The failure to provide adequate allowances for loan losses, The existence of inadequate controls to prevent inadequate allowances and control for dubious deals

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.