Concrete Class | Current Price for Construction (KES) | Net Present Value (NPV) | Internal Rate of Return (IRR) |
N/mm2. | |||
25 | 31,887,391 | 31,887,391 | 0% |
30 | 33,718,185 | 32,412,497 | 2% |
35 | 37,738,483 | 35,855,978 | 2% |
80 | 38,114,759 | 35,490,631 | 3% |