30-d Trial pricing <Looker (Google Cloud core)>

[vibhorj]

hello,

i'm trying to setup 30 days trial for Looker (Google Cloud core)

I've 3 Questions:

1) will I be charged during this trial period - how much ?

2) After 30 days, after the instance is automatically  converted to Standard Looker (Google Cloud core) instance - what will be the pricing (even if it's use occasionally for learning purpose, before  rest of people on the org are comfy to use it 

3) Lastly, is it one 30-d Trial per GCP Project or per Google Account user ? if i've different client GCP, but all linked to my same Google Account email

Thanks,