Danks Corporation purchased a patent for $405,000 on September 1, 2019. It had a useful life of 10 years. On January 1, 2021, Danks spent $99,000 to successfully defend the patent in a lawsuit. Danks feels that as of that date, the remaining useful life is 5 years. What amount should be reported for patent amortization expense for 2021?

Nextdoor is an instant messaging application for smartphones. new smartphone users find it easier to connect with friends and relatives through this mobile app when compared to other similar instant messaging applications. hence, it has the largest user base in the industry. thus, nextdoor app's value has increased primarily due to itsa. learning curve effects. b. economies of scale. c. economies of scope. d. network effects.