pre_text: 3. Inventories Inventories consist of the following (in thousands):
table: August 31,2019 August 31,2018
table: Raw materials $2,310,081 $2,070,569
table: Work in process 468,217 788,742
table: Finished goods 314,258 659,335
table: Reserve for excess and obsolete inventory (69,553) (60,940)
table: Inventories, net $3,023,003 $3,457,706
question: Analyse this data from a financial earnings document. What was the change in work in process between 2018 and 2019?