pre_text: Other Assets Other assets consist of the following (in thousands): The Company’s other assets includes a strategic equity investment in a privately-held company. The strategic investment is a non-marketable equity security, in which the Company does not have a controlling interest or the ability to exert significant influence. This investment does not have a readily determinable market value. The Company records this strategic investment at cost less impairment and adjusts cost for subsequent observable price changes. During the years ended July 31, 2019 and 2018, there were no changes in the investment’s carrying value of $10.7 million.
table: July 31, 2019  July 31, 2018
table: Prepaid expenses $2,640 $2,476
table: Contract costs 23,375 —
table: Deferred costs 8,867 9,377
table: Strategic investments 10,672 10,672
table: Other assets $45,554 22,525
question: Analyse this data from a financial earnings document. What was the average Contract costs for 2018 and 2019?