Respuesta :
The second one which is 9.99 + 5n because if you see in the question. Per downloadable. Which means that she can buy more.
For example:
If she buys 2 of the additional downloadable content
It will be 9.99+5(2)
For example:
If she buys 2 of the additional downloadable content
It will be 9.99+5(2)