Please help to answer all question, they are all related

Please help to answer all question, they are all related

(Given the following tables) students id matrixnum name tel num 1 S00001 Atit 012122222 2 S00002 Abd Razak 016788900 assesments Id matrixnum subject_code quiz assignment project total_marks grade 1 S00001 MMS3013 80 90 80 83.3 A 2 S00002 MTD3013 50 80 90 73.3 B + formula total_marks = (quiz + assignment project3 subjects id subject_codesub_name cred 1 MMS3013 3 Web Programming 2 MTD3013 Database 3 Table: Grading Marks Grade 80 - 100 A 70 - 79 60-69 50 - 59 D 0 - 49 E PART B: PHP i Build a file to link to your database and give it the file name config php (1 markah/ mark) i Build a file to display matrixnum, name from students table, subject_code and sub_name from subjects table and total_marks, grade from assessment table. (4 markah/marks) . Build code using javascript, to calculate total_marks and determine grade. Where total_marks are calculated by adding quiz, assignment and project and divided by 3. Where the value range of each quiz, assignment and project is 0 to 100. Next the grade will be determined based on the grading system (refer to the grading table) (7 markah/marks) iv. Assume that the following program section (Program Code 1) are variables that receives input from the user via a form Build program code to provide instructions for entering the data into the assessments table. In addition, next build a link to view the data that has been entered (4 markah/marks)