Zero Waste Limited (ZW'), a start-up in waste control and management, had the following transactions in 2020. (1) During 2020, ZW spent $180,000 developing a new plastic waste collection process (economic viability not achieved). (ii) On January 1, 2020, ZW paid $150,000 to purchase a patent to conduct waste sterilization and $12,000 in legal and other fees to complete the transaction. The patent has a useful life of 10 years and no residual value. (iii) To finance the growth of the company, ZW issued $500,000 of ten-year, 10% bonds on January 1, 2020. The bonds pay interest semiannually on June 30 and December 31, starting from June 30, 2020. The bonds are sold to yield 8%. Requirement: (a) Based on the accounting principles in recognizing research and development costs for internally created intangible assets, advise ZW how to account for (). (3 marks) (b) Advise ZW how to account for the patent purchased in (ii). (No journal entry is required.)