Bombardier Inc. specializes in manufacturing transportation products (aircraft, railway equipment, snowmobiles, and watercraft). The company offers warranties on all of its products. Note 2 to Bombardiers financial statements for fiscal year 2018 stated the following: Product warranties typically range from one to five years, except for aircraft structural and bogie warranties that extend up to 20 years. Selected information from Bombardier's annual reports follows (amounts in millions of U.S. dollars): Revenues Provision for product warranties at year-end 2018 17,043 1,021 2017 18,622 1,128 2016 18,167 1,175 During fiscal year 2018, Bombardier paid $420 million to customers in exchange for returned products under the warranty. Required: 1. Compute the amount of warranty expense for fiscal year 2018. (Enter your answer in millions of dollars.) Warranty expense