In: Finance
Suppose the security I and security J have the following historical returns:
| 
 Year  | 
 rI  | 
 rJ  | 
| 
 2015  | 
 20%  | 
 40%  | 
| 
 2016  | 
 29%  | 
 36%  | 
| 
 2017  | 
 -12%  | 
 -25%  | 
What is the (arithmetic) average return on security I?
| 
 9.17%  | 
||
| 
 12.33%  | 
||
| 
 13.00%  | 
||
| 
 14.18%  | 
||
| 
 15.52%  | 
| 
 9.09%  | 
||
| 
 17.39%  | 
||
| 
 20.82%  | 
||
| 
 21.55%  | 
||
| 
 25.18%  | 
Suppose you invest 50% of your money in I and the rest in J to form a portfolio P. What is the average return on portfolio P?
| 
 9.17%  | 
||
| 
 11.33%  | 
||
| 
 13.15%  | 
||
| 
 14.67%  | 
||
| 
 17.00%  | 
| 
 9.09%  | 
||
| 
 17.39%  | 
||
| 
 25.82%  | 
||
| 
 28.75%  | 
||
| 
 29.02%  |