In: Finance
In an arithmetic gradient series cash flow shown below, determine the present worth in year 0 for i =8% per year, A1=50 , and A2=170.
| 
 Year  | 
 0  | 
 1  | 
 2  | 
 3  | 
 4  | 
 5  | 
 6  | 
 7  | 
 8  | 
| 
 Cash Flow, $  | 
 -  | 
 A1  | 
 50  | 
 70  | 
 90  | 
 A2  | 
 130  | 
 150  | 
 170  |