Crystal Reports suppress sub col values

Message

     Hi,

I faced these questions in an interview and was unable to answer it correctly.

1) If I have 100 reports each having a company logo, how can I dynamically change the reports to reflect the new company logo as companies merge etc?

Rather than having an object inserted and then having to change each of the 100 reports individually, I believe we can provide a link to a file on a network within each report template and then change just the one file to dynamically reflect the change across all 100 reports.

2) If I have a colmn that has a main value and then some sub values that are blank, how can I suppress those blanks and move the entire row one notch up?

example:

emp_id     emp_name    supervisor_name  salary_perks
1                abc               xyz                               100,000
                                                                    com      2000

                                                                     dine       100

                                                                      lodge       50
2                pqr                uvw                                80,000

I want to be able to move up the rows that have the salary_perks values BLANK. Is there a conditional formula I can use?

Also, does anyone know of crystal reports interview links for all levels ?

Any help is much appreciated.

Thanks in advance!
crystalreport12