pre_text: 8. Other income, net Other income, net consists of the following (in millions):
table: Year Ended
table: April 26, 2019 April 27, 2018 April 28, 2017
table: Interest income $ 88 $ 79 $ 44
table: Interest expense (58) (62) (52)
table: Other income, net 17 24 8
table: Other income, net $ 47 $ 41 $ —
question: Analyse this data from a financial earnings document. What was the change in interest expense between 2017 and 2018?