answer both a and b please thanks

Purchased a vehicle for $50,000 on May 1. The vehicle's estimated life is 5 years and 100,000 miles. The estimated salvage value for this vehicle is $5,000. Using the units of production method, calculate the depreciation expense for year 1 if the vehicle is driven 22,000 during the first year. O $6,000 $9.900 $9.000 $6,600, Purchased equipment on January 1 for 75,000. Estimated useful life for the equipment is 6 years and estimated salvage value is $5,000. Using the double-declining balance method, calculate the depreciation expense for the first year. $25,000 523,333 $11,667 512,500