Is it 2% irrespective of all the below four possibilities?
1. Amazon account from which GV was purchased is prime, ICICI Amazon credit card is linked to an Amazon account that is prime
2. Amazon account from which GV was purchased is non-prime, ICICI Amazon credit card is linked to an Amazon account that is prime
3. Amazon account from which GV was purchased is prime, ICICI Amazon credit card is linked to an Amazon account that is non-prime
4. Amazon account from which GV was purchased is non-prime, ICICI Amazon credit card is linked to an Amazon account that is non-prime