Lesa drives her car approximately 18,000 miles per year. During the most recent year, she drove 7,000 miles commuting to and from work, 4,500 miles for business-related conferences and client visits, and 6,500 miles for personal trips. How many miles are considered business miles and can be used to determine the tax deduction for transportation expenses?4,500.2,250.5,750.11,500