Which of the following analytical techniques is designed to output the best decision?
1 answer:
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Answer:
A. Take regular EBS snapshots .
Explanation:
- is incorrect. It lacks durability of EBS volumes.
- is incorrect. ECT Instance stores are not durable.
- is incorrect. Mirroring across EBS volumes is pargely inefficient.
-Since EBS snapshots only saves snapshots of the most recent device changes, a great deal of time and memory is saved. Also, only data unique to any particular snapshot is removed in cases of deletion.
Answer: c. $81,202
Explanation:
The inflow will be annual and constant which makes it an annuity. Given the discount rate of 12% and a useful life of 8 years, the present value interest discount factor based on the table is = 4.968.
Option 1 present value
= 48,410 * 4.968
= $240,500.88
Option 2 present value
= 50,427 * 4.968
= $250,521.34
Option 3 present value
= 81,202 * 4.968
= $403,412
Option 3 is the closest option with the difference being down to rounding errors. The annual inflow would have to be $81,202 to make the investment in the equipment financially attractive.
