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(12-33) Granny's pays a tax rate of 25%. Granny is considering the purchase of a new Turbo Churn for $25,000. The churn is a special handling device for food manufacture and has an estimated life of 4 years and a salvage value of $5,000. The new churn is expected to increase net income by $8000 per year for each of the 4 years of use. If Granny works with an after-tax MARR of 10%, should she buy the churn