Read the following article and answer the question by choosing from the options.

That was fine and I finished them up that night , but eventually I had to tell them that I had reached my 20 hours and the stuff that they were piling on was going to have to go to next week 's 20 hours . Overall the work went well and I think it will straighten it 's self out and run more smoothly with a few weeks time . I did actually turn in more work than if I had been in the office the whole week . Oh man , working at home was far more relaxing than being in the office .

Why did the narrator stop work ?
Pick your answer from:
(i). They had reached their legal allotment .
(ii). None of the above choices .
(iii). They had reached the point of exhaustion .
(iv). They had reached a point of great fatigue ....A:
(i).