A battery manufacturing plant has been ordered to cease discharging acidic waste liquids containing mercury into the city sewer system As a result, the firm must now adjust the pH and remove the mercury from its waste liquids. Quotations from three firms are included in the following table of costs. If the installation will last 10 years and money is worth 6%, which equipment should be purchased? Solution: (fill in numbers only) 1. Since the necessary waste treatment and mercury recovery is classed as choose the alternative with the 2. Calculate PW of Cost for each altemative: 3. Select the bid