In: Accounting
| 
 Firm  | 
 Value/Sales  | 
 P/E Ratio  | 
 Sales (mil)  | 
 Net income (mil)  | 
| 
 Fast Air  | 
 1.02  | 
 7.70  | 
 7,286  | 
 214  | 
| 
 Southeastern Airlines  | 
 0.87  | 
 10.50  | 
 17,879  | 
 1,567  | 
| 
 Western Skies  | 
 1.44  | 
 11.40  | 
 35,580  | 
 12,470  | 
| 
 Northern Winds  | 
 0.73  | 
 5.80  | 
 2,023  | 
 1  | 
| 
 East Frontiers  | 
 0.80  | 
 4.90  | 
 5,450  | 
 790  | 
| 
 Southern Ventures  | 
 5.14  | 
 9.20  | 
 21,373  | 
 5,890  | 
| 
 Slow Motion  | 
 1.05  | 
 9.17  | 
 10,900  | 
 -105  | 
| 
 Sweet Tracks  | 
 1.67  | 
 5.37  | 
 12,200  | 
 2,880  | 
| 
 Wild Adventures  | 
 10.90  | 
 44.19  | 
 1,029  | 
 357  | 
| 
 World Horizons  | 
 11,561  | 
 2,550  | 
| a | Average | Alternative : Simple average | ||
| A | ||||
| Firm | Value/Sales | |||
| Fast Air | 1.02 | |||
| Southeastern Airlines | 0.87 | |||
| Western Skies | 1.44 | |||
| Northern Winds | 0.73 | |||
| East Frontiers | 0.8 | |||
| Southern Ventures | 5.14 | |||
| Slow Motion | 1.05 | |||
| Sweet Tracks | 1.67 | |||
| Wild Adventures | 10.9 | |||
| Mean | 2.624 | |||
| World horizon value | =11561*2.624 | |||
| 30336.064 | million | |||
| b | Median | |||
| Firm | P/E Ratio | |||
| Fast Air | 7.7 | |||
| Southeastern Airlines | 10.5 | |||
| Western Skies | 11.4 | |||
| Northern Winds | 5.8 | |||
| East Frontiers | 4.9 | |||
| Southern Ventures | 9.2 | |||
| Slow Motion | 9.17 | |||
| Sweet Tracks | 5.37 | |||
| Wild Adventures | 44.19 | |||
| Median | 9.17 | |||
| (using excel formula Median) | ||||
| World horizon value | =2550*9.17 | |||
| 23383.5 | million | |||
| c | World Adventures is not comparable peer as its Value sales and P/E are too high compared to all other companies in bracket. | 
I have caluclate Part A with simple average as question does not specified for weighted average. Leave a comment if otherwise or in case you have any further query. Dont forget to hit thumbs up if you feel like it.