Thornton Airlines is a small airline that occasionally carries overload shipments for the overnight delivery company Never-Fail, Inc. Never-Fail is a multimillion-dollar company started by Wes Never immediately after he failed to finish his first accounting course. The company's motto is "We Never-Fail to Deliver Your Package on Time." When Never-Fail has more freight than it can deliver, it pays Thornton to carry the excess. Thornton contracts with independent pilots to fly its planes on a per-trip basis. Thornton recently purchased an airplane that cost the company $5,681,000. The plane has an estimated useful life of 24,700,000 miles and a zero salvage value. During the first week in January, Thornton flew two trips. The first trip was a round trip flight from Chicago to San Francisco, for which Thornton paid $320 for the pilot and $270 for fuel. The second flight was a round trip from Chicago to New York. For this trip, it paid $270 for the pilot and $135 for fuel. The round trip between Chicago and San Francisco is approximately 4,300 miles and the round trip between Chicago and New York is 1,800 miles. Required a. Select if the costs mentioned below are direct or indirect. b. Determine the total cost of each trip. Complete this question by entering your answers in the tabs below. Select if the costs mentioned below are direct or indirect. Complete this question by entering your answers in the tabs below. Determine the total cost of each trip. (Do not round intermediate calculations.)