Net Present Value Versus Internal Rate of Return For discount factors use Exhibit 12B1 and Exhibit 12B-2. Skiba's cost of capital is 14%. Required: 2. Conceptual Connection: Explain why the project with the larger NPV is the correct choice for Skiba. NPV is an measure and reveals how much the value of the firm will change for each project. IRR gives a measure of . Thus, since NPV reveals the total wealth change attributable to each project, it is preferred to the IRR measure. Exhibit 12B.1 Present Value of a Single Amount* Exhibit 12B.2 Present Value of an Annuity*