If travel policy states miles after X miles are reimbursable, it would be great if the milage expense could automatically calculate for only the amount of X miles that are reimbursable.

For example, if a company has a policy that mileage is reimbursed after 40 miles at .58 cents a mile and an employee files for a mileage expense for a total of 80 miles the expense calculation would automatically calculate at 40 miles. This way the employee doesn't have to do the math to figure out how many miles are reimbursable. They can also use functions like the GPS feature easily.