Required Identify the accounting principle or assumption that best describes each practice. a. A customer pays $20 to mail a package on December 30. The delivery company recognizes revenue when the package is delivered in January b. Jim Trotter owns C&S Heating Company. In preparing the financial statements, Trotter makes sure that the purchase of a new truck for personal use is not included in C&S's financial statements. c. Moseley Inc.recorded land at its purchase price of $50,000. In future periods, the land is reflected in the financial statements at $50,000 d. Mack Company purchases inventory in March. However it does not expense that inventory until it is sold in April. e. Mueller Inc. prepares quarterly and annual financial statements