The table below (based on Table 17.3 in Gelinas et al) provides a vendor comparison for a system that is under consideration for purchase. Based on the data provided, which system should be selected under each of the following scenarios?

1. Lowest cost of monthly maintenance per workstation at the maximum number of workstations.
2. Lowest total system cost for 10 years of operations.
3. Most invoices processed per hour per data entry clerk. (Assume maximum number of workstations required to produce the provided number of invoices per minute.)

Briefly discuss "the best" system, the one that a particular entity should choose.

Criteria	Vendor A	Vendor B	Vendor C
Cost of Base System	$ 194,000	$224,775	$174,000
Cost of Configuration	55,000	23,000	70,000
Monthly Maintenance	500	400	600
Maximum number of users	99	80	75
Benchmark results (seconds):
Credit card clearing time	3.9	2.5	1.2
Price lookup	4	6	4