If a stack stackInt of integers contains the following:

| 5 8 11 13
where | represents the bottom of the stack, what will it contain after the following sequence of commands:
stackInt.pop();
stackInt.push(15);
int i = stackInt.top();

a) | 5 8 11 15
b) | 5 8 11
c) | 15 8 11
d) | 15 8 11 13

a) | 5 8 11 15