On July 1, 2021, Clean Tech Inc. paid $122,000 to obtain a patent. The cost of the patent registration was $2,500. The patent has a legal life of 20 years and a useful life of 15 years. The company's fiscal year-end is June 30. On February 1, 2023, Clean Tech incurred a cost of $15,000 related to an unsuccessful patent infringement lawsuit. At June 30, 2023 management determined that the recoverable amount of the patent is $100,000. Instructions (a) Record the purchase of the patent. (3 marks) (b) Record amortization expense for the year ended June 30, 2023. (3 marks) (c) Record the legal costs incurred on February 1, 2023. (3 marks) (d) Determine if there is an impairment loss on the patent and if so, record the June 30, 2023 journal entry. (6 marks)