write off form

Hi I need a help in creating a flow in power automate for a write off form.

Fill up a form with below details
Requested by
Request date
Total value to write off
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I have created this form

Need help in creating the flow
From her I want to create a flow in Power automate

I want the flow to be automated based on the total value to write off

If the value is less than 100000 – I want manager one to approve. Via an email
If the value is in between 100000 to 200000 – I want the 2nd manager to approve Via an email
If the value is in between 200000 to 300000 – I want the 3rd manager to approve Via an email
And the approvals should be going into the respective managers based on the given value above