Economic value added (EVA?) is calculated as net operating profit after taxes minus: 
 
 
| 
 A)  | 
a charge for total capital. |    |  
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 B)  | 
a charge for equity capital. |    |  
| 
 |    
 
EVA = NOPAT – (C% × TC), where NOPAT is a firm’s net operating profit after taxes, C% is the cost of capital, and TC is total capital.   |