Three systems are being considered for a manufacturing plant. The estimated benefits and costs expected to be derived from the three alternatives under consideration are listed as follows:

Countermeasure	Alternative 1	Alternative 2	Alternative 3
Initial Cost	$ 5,500,000	$ 6,000,000	$ 7,500,000
Annual Revenue	$ 1,500,000	$ 1,750,000	$ 2,000,000
Annual Maintenance Costs	$ 125,000	$ 175,000	$ 225,000
Annual Utility Costs	$ 175,000	$ 225,000	$ 275,000
Annual Labor Expenses	$ 150,000	$ 200,000	$ 250,000

The interest rate is 10%, and the life of each project is estimated to be 10 years. Select the best alternative, according to BC(i)