I wish to express my sincere gratitude and thanks to the following people who have assisted and helped me in order to complete the assignment. Firstly, I would like to express my greatest gratitude to God for helping me in completing the assignment successfully. Secondly, I would like to show my appreciation to Huzairie Bin Hairuzi for giving valuable assistance and advice through online forum in order for me to complete this course as part of the university requirement. I would like to extend my sincere gratitude to our lecturer, Mr Mawi Taip who assisted me when I was laboring with the assignment. I would like to thank my beloved family for their kind and patience in giving me support to complete the assignment. Lastly, I would like to thank myself for having the patience and the determination to finish the assignment within the stipulated time.