Please answer the question briefly and fast ASAP because I dont have Time ,30 minutes left

PART III (4 points) : answer only one of the following two questions: 1. Briefly explain the historical cost principle and why it is still supported by the accounting profession include in your answers major criticism and advantages of HC). 2- Briefly explain the Capital Maintenance Concept (CMC) and the primary difference between the two form of CMC and how they are related to the Income Concept in accounting