Question

When the code above is run, what will be the final value of the variable x, displayed at the end of the program?

x ← 0
a ← 3
k ← 4
REPEAT a TIMES
{
REPEAT k TIMES
{
x ← x + a
}
x ← x * (-1)
}
DISPLAY x
```

a) -36
b) 36
c) 0
d) 12