Exercise 7-15 (Algo) Determine activity-based depreciation (LO7-4) Tasty Subs acquired a food service truck on October 1,2024 , for $19,000. The company estimates a residual value of $2,000 and a four-year service life. It expects to drive the truck 100,000 miles. Actual mileage was 4,500 miles in 2024 and 18,000 miles in 2025 . Required: Calculate depreciation expense using the activity-based method for 2024 and 2025, assuming a December 31 year-end, (Do not round your intermediate calculations.)