Question 1: (2* 10=20 Marks) Explain the following lines of codes using your own word: 1. MessageBox.Show ("Wish you all the best", "ITCS 121 Final Exam") 2. IstBooks.Items.Add("Programming with VB"). 3. If student_grade >= 60 then 4. Dim profit As Double 5. Num mod 4 = 0 6. IblDate.ForeColor = Color. Gray 7. txtSales.Text = "" 8. employees (0) = "Ameen Akram" 9. Math.Round (3.564,1) 10. CDBL (txtPrice.Text)