In: Finance
If average stock portfolio would yield 2.1% per annum then how much time would it take for a portfolio to increase 3 times in value if all profits are reinvested? State the answer as a number with 2 decimals (for example, 13.02).
Ans 52.86 years
| FV = | Future Value | 
| PV = | Present Value | 
| r = | rate of interest | 
| n= | no of period | 
| FV/ PV = | (1 + r )^n | 
| 3 / 1 = | (1 + 2.1%)^n | 
| 3 = | (1 + 2.1%)^n | 
| 3 = | 1.021^n | 
| n = | 52.86 years |