The SunflowerBiz Product Payment Limit Module allows you to select different payment methods for each product. You can select a different payment method for each product on the product management page from all existing payment methods. Most importantly, we provide a solution to configure your payment rules when customers purchase products with different payment methods at the same time.
2) “When products do NOT have common Payment Method”.
If Display all product Payment Methods, it will display payment A, B and C.
Don't combine payment costs or change payment costs. One cart can only use one payment method.
1. Assign payment method to Product.
-In admin->Configuration->Catalog, enable "Product Payment"module.