Update Business partner to add a business partner tax category

4. Update Business partner to add a business partner tax category  

• Short description: Create business partner tax category to test taxes in transactional documents. Add the new category to Customer A

• Steps:
  • Login as userA
  • Go to Master Data management->Business partner
  • Select "CUSTOMER A" and, inside Customer tab, select "SO BP Tax Category"=Vat 3%+Charge 0.5%