Robert has been awarded a bonus for his outstanding work. His employer offers him a choice of the following stream as rewards for his excellent achievement. Given the opportunity cost is 8 percent, rank the four options from the most favorable to the least favorable option. Explain your answer.

Year	Option 1	Option 2	Option 3	Option 4
0	20,000	-	-	-
1	-	8,000	-	10,000
2	-	8,000	-	6,500
3	-	8,000	25,000	7,000