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I need to find relevant costs and relevant revenue

The pizza oven used at Frank's Fire Oven Pizza has been breaking down on a regular basis the past two months. So far, Frank has spent $5,000 on repairs. To purchase a new oven, the cost would be $25,000 with ongoing maintenance costs of $2,000 for the next 5 years. The old pizza oven requires a replacement oven burner at the cost of $2,000 to make it like new and will continue to require $1,000 maintenance annually for the next 5 years. The old pizza oven cost $17,000 initially and has accumulated depreciation of 510.000 to date. The salvage value of the old pizza oven is $7.000