Question 19 7.5 Points Melissa is self-employed and uses her personal automobile for business trips. During 2020, Melissa drives her car 70% for business use and incurs the following total expenses (based on 100% use of car): Melissa drives her car a total of 20,000 miles (14,000 business miles) during 2020. Gas and oil Repairs Depreciation Insurance and license fees Parking and tolls (business related) Total $ 7,000 1,600 4,900 1,700 90 $ 15,290 For full credit, please answer the following: a. What amount is deductible if Melissa uses the standard mileage method? b. What amount is deductible if Melissa uses the actual cost method? c. Can taxpayers switch back and forth between the mileage and actual methods each year? (The standard mileage rate method permits a deduction based on a mileage rate of 57.5 cents per mile for the year 2020.)