DAX formulas requests - Please help

[EZV12]

Dear all,

I urgently need your help to figure out some DAX formulas.

Here is the link https://1drv.ms/u/s!AnbNXrfr-X8jdCh4I-viYzEgvpw?e=kGjuRO for a sample file pbix. 

Here below please a picture in which I indicated my questions:

Many thanks in advance for your help.

Best regards

Rachel

[EZV12]

Dear all,

I updated the pbix file, here is the link :  https://1drv.ms/u/s!AnbNXrfr-X8jdeHINqfL4vNG-kY?e=WRfzpA 

Here below please find a more detailed picture to explain my requests for DAX formulas: 

Please help! Thanks a lot in advance!

Rachel

[Anonymous]

Sadly, illegible...

[EZV12]