Are there cheat codes or hints on how to get all 72 certificates. I'm c…

I have 69 certificates. I just can't figure out how to get the last 3.

i have 71 certificates. The last ones were
serving 10'000 costomers and $1'000'000 earned

the last certificate is for runnung your shops for 1 year.
there are also 30 certificates to be got in survival mode.