Prevent the purchase of mixed rates

In some scenario, you may want to prevent customers to purchase different rates, for example a Monthly and Annual offers at the same time.

If Prevent Mixed rates Feature is activated, customers won't be able to checkout with mixed payments rate offer in cart. 

1: Activate the Prevent Mixed Rate Feature

2: The customer selects a monthly offer rate plan.

3: The customer sees an error message while adding Annual offer rate plan to the cart.

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