(15-20) Chips USA is considering the following projects to improve thir production process. Chips have a short life, so a 3-year horizon in used in evaluation. Which project should be done if the budget is $70,000? What is the opportunity cost of capital? Project First Cost Benefit 1 $20,000 $12,000 2 30,000 13,000 3 10,000 6,500 4 5,000 2,700 5 25,000 14,000 15,000 8,200 40,000 17,000