Problem 5 Northern Chemicals is considering two additives for improving the dry-weather stability of its low-cost acrylic paint: Additive 'A' has a first cost of $50,000 and an annual operating cost of $17,000 Additive 'B' has a first cost of $77,000 and an annual operating cost of $9,000. If the company uses a 5-year recovery period for paint products and a MARR of 15% per year, which process is economically favored? Use an incremental ROR analysis