Two alternatives have the following cash flows At a 5 intere
     Two alternatives have the following cash flows:  At a 5% interest rate, which alternative should be selected? Neither A or B A Both A and B |B    
 
  
  Solution
There are 2 investment options. Their details are worked out as under:
A further comparison of the two investments is as under:
 Thus, the percentage of additional return ( apart from interest) being better in the option A, it should be preferred over option B. The 2nd answer is correct.
| Option A | Option B | |
| Amount of investment($) | 2000 | 2800 | 
| Interest for 1st year | 100 | 140 | 
| Balance | 2100 | 2940 | 
| Payback after 1st year | 800 | 1100 | 
| Balance | 1300 | 1840 | 
| Interest for the 2nd year | 65 | 92 | 
| Balance | 1365 | 1932 | 
| Payback after 2nd year | 800 | 1100 | 
| Balance | 565 | 832 | 
| Interest for the 3rd year | 28.25 | 41.60 | 
| Balance | 593.25 | 873.60 | 
| Payback after 3rd year | 800 | 1100 | 
| Additional Return | 206.75 | 226.40 | 
| Total | 2400 | 3300 | 

