If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?
A. Pay-As-You-Go
B. Prepaid
C. Paypal-pay
D. bitcoin-pay
If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?
A. Pay-As-You-Go
B. Prepaid
C. Paypal-pay
D. bitcoin-pay
Why not B?