difference in nel MCU a successful efforts company, incurred the following Libby Petroleum, a successful efforts company, in during 2019: January 23 G&G costs................ February 1 Lease acquisition costs ............. April 2 Exploratory dry-hole costs .... April 29 Successful exploratory well costs. July 1 Developmental well costs ......... August 19 Production facility costs ........ September 17 Production costs . . . . . . $ 82,000 90,000 500,000 600,000 200,000 85,000 49,000 REQUIRED: Prepare the journal entries for the year-end December 31, 2019