Youreeka Mining Corp. (YMC), a private company that reports under ASPE, is required to remediate the tailings pond used for nickel mining at the end of the mine's life, which is 10 years. At initial recognition, YMC estimated the future value of the remediation to be $1,500,000 and the present value to be $482,960. During the 10 years the mine operates, there are no changes in the estimate of expected future cash flows for the remediation. When YMC completes the remediation after 10 years, the costs incurred are $1,450,000. Which of the following is included as part of the journal entry to record the decommissioning costs when incurred? 

A. DR Gain on decommissioning $50,000 

B. DR Asset retirement obligation $1,500,000 

C. DR Asset retirement obligation $482,960 

D. CR Accumulated depreciation $482,960