Question: calculate time and space complexity for the following code segment...

calculate TIME and SPACE complexity for the following code segment:

computer() {

read n:

if(n <= 0) return 0;

else {

i = n;

p = n -1;

while(p > 0) {

t = t*n;

p = p - 1;

}

return t;

}

}

PLEASE INCLUDE ALL THE STEPS AND EXPLAIN ANSWER WITH DETAILED STEPS.