a) With aid of suitable examples, explain the following Visual FoxPro set command: i) Append Blank ii) Replace iii) Seek iv) Display v) Pack b) With aid of examples explain the use of the following operators: i) % ii) & c) Write FoxPro procedure to display the following on the screen: 1 12 10 [10 123 1234 12345 123456 d) Distinguish between Message() and MessageBox() as used in Visual FoxPro e) Distinguish between 'scan.....enddo' and 'do while..... enddo' loop f) List any for FoxPro field data types g) Explain the use of found() function