Jill worked for a business in Denver. She took a new job with a different company in Colorado Springs, 90 miles away. Her commuting distance from her old home to her old employer in Denver was 15...

Jill worked for a business in Denver. She took a new job with a different company in Colorado Springs, 90 miles away. Her commuting distance from her old home to her old employer in Denver was 15 miles. If she does not move to Colorado Springs, her commuting distance from her old home near Denver to her new place of employment in Colorado Springs would be 70 miles. She decides to move to Colorado Springs. The commuting distance from her new home in Colorado Springs to her new place of employment is 10 miles.

a. Which commuting distances are important in meeting the mileage test for deductibility of moving expenses?

b. By how many miles does Jill’s commute exceed the minimum necessary to pass the mileage test?