Question: Two possible routes for a power line are under study. Data on the routes are as shown in the following table: Option Information Around the
Two possible routes for a power line are under study. Data on the routes are as shown in the following table:
| Option Information | Around the Lake | Under the Lake |
| Length | 15 km | 5 km |
| First Cost | $5000 / km | $25,000 /km |
| Maintenance cost | $200/km/yr | $400/km/yr |
| Useful Life (years) | 15 | 20 |
| Salvage Value | $3000/km | $5000/km |
| Yearly power loss | $500/km | $500/km |
| Annual Taxes | 2% of the first cost | 2% of the first cost |
If MARR = 10%, which alternative should you select? Justify your answer. (7 points)
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