1. Financial Mathematics and Actuarial Science (FMAS)-Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
2. Department of Mathematics and Computer Science, Alabama State University, Montgomery, AL 36101, USA
3. Department of Mathematics and Computer Science, Transilvania University of Brasov, 29 Eroilor Boulevard, 500036 Brasov, Romania
4. Department of Mathematics, Faculty of Science, Jazan University, Jazan 45142, Saudi Arabia