Ali is hoping to invest in project, but he is not sure which project gives him the best return. The first one he is hoping to invest RM500,000 and he expect to earn a return of RM150,000, RM200,00, RM2000,000 and RM150,000.

The second one, he expects that by investing RM400,000, he can earn each year RM150,000 for the next three years.

The third one, is he expect to invest RM360,000 now, but will earn a return of RM200,000, RM150,000, RM 50,000, and RM75,000 in the first, second, third and fourth year, respectively.

Which of these provides the best return for Ali?