QUESTION 2 As at December 31, 2021, the following are the data for Data for Dignity Petroleum: REQUIRED: Calculate DD\&A assuming the inclusion of both major development costs and decommissioning costs and using a common unit of measure based on BOE for: a) Unit-of-revenue b) Unit-of-production Alan Oil Corporation, located in Denver, Colorado, has been operating for three years. Alan uses full cost accounting and excludes all possible costs from the amortization base. The following account balances are as of the end of 2021 . REQUIRED: Give any entries necessary for the following events and transactions during 2021 : a) Lease B was proved on May 13. b) Lease E was abandoned on July 1 . c) Lease F was proved October 21 . d) At December 31, Alan decides that Lease D should be impaired an additional $150,000. e) At December 31, Alan decides to continue its policy of maintaining an allowance for impairment equal to 60% of unproved insignificant leases. f) Lease A was abandoned on March 20, 2022