sales tax value taken as negative

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

Go to 'vendors>> add restaurants'
Click on 'registration'
Scroll down to 'sales tax'
See error
Expected behavior
sales tax value taken as negative

image

Desktop (please complete the following information):

OS: Windows
Browser Chrome
Version 122.0.6261.95 (Official Build) (64-bit)

Reproduce the issue by opening Vendors > Add Restaurants > Registration and checking the Sales Tax field in Chrome on Windows. No source file or test is named, so trace the registration form from that entry point. Done means the sales tax value is handled with the intended sign and the behavior is verified in that form.

Written by the indexing model from the issue text.