1 Normal 1 No Spac.. Heading 1 Heading 2 Title Subtie Subtle Em.. Emphasis Intense E Styles 1. Find the optimum replacement interval AND the minimum EUAC for each of the scenarios below. Make sure to show your calculations to at least on "n" to get credit. c. $225,000 is invested in equipment having a salvage value that decreases by 50% per year. O&M costs equal $45,000 the first year and increase by $15,000 per year. Consider a MARR of 10%. EUAC 2 4 6 7 10