Asolid-waste recycling plant is considering two types of storage bins using an MARR of 10% per year. a) Use ROR evaluation to determine which should be selected. b) Confirm the selection using the regular Aw method at MARR-10% per year. 4. Location Initial cost, $ Annual M&O cost, S/year Annual benefits, S/year Annual disbenefits, $/year Site suitability, years 1,200,000 80,000 520,000 90,000 10 2,000,000 75,000 580,000 20 Asolid-waste recycling plant is considering two types of storage bins using an MARR of 10% per year. a) Use ROR evaluation to determine which should be selected. b) Confirm the selection using the regular Aw method at MARR-10% per year. 4. Location Initial cost, $ Annual M&O cost, S/year Annual benefits, S/year Annual disbenefits, $/year Site suitability, years 1,200,000 80,000 520,000 90,000 10 2,000,000 75,000 580,000 20