III. Discuss whether each of the following contracts in parts (a) through (c) is enforceable and whether the contract in part (d) is voidable by the buyer. Explain your analysis fully in each part. (a) An oral agreement reached April 1, 2021, in which Yensen Industries, a company that provides landscape services, agreed to do the landscaping for the new Westlake Golf Course, and which provided that the work must be completed in time for the course's scheduled opening on May 31, 2022. (b) An oral agreement reached December 1, 2020, to lease a 144-cubic-feet storage unit in a building owned and managed by the Acme Mini-Storage Company, for twelve months, starting January 1, 2021, for a rental fee of $250 per month. (c) An oral agreement to buy a multimedia home-entertainment system for $2,500, where the buyer is 25 years old. (d) An oral agreement to buy a multimedia home-entertainment system for $2,500, where the buyer is 17 years old and has received and accepted the system.