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A manufacturing plant is considering the purchase of a new filter press, which can be purchased for $45,000. The filter press has a maximum life of 8 years without any major repair. The press will have a salvage value of $5,000 whenever it is sold (years 1-8). The operating and maintenance costs in the first year are $7,000. For the remaining years, these costs increase each year by $3,000 over the previous year's costs. The firm's MARR is 20%. What is the optimum replacement interval (ORI) for this filter press? years What is the minimum EUAC? $ Enter your answers as integers. Round the EUAC to the nearest dollar and do not include the $ sign. Clearly show your calculations and logic in Excel to receive credit for this