What is the return value for xMethod(4) after calling the following method?
```
static int xMethod(int n) {
if (n == 1)
return 1;
else
return n + xMethod(n - 1);
}
```
a. 12
b. 11
c. 10
d. 9
c. 10
4 + 3 + 2 + 1 = 10
Computer Science & Information Technology