I need the solution with step-by-step

Complex corporation started operations on 1/1/15. At 12/31/15, the company owned the following leases in Canada: The production was sold at $70/bbl and $5.50/Mcf. Current prices at 12/31/15 are $75/bbl and $6.00/Mcf. Compute DD&A for Canada, assuming the following: No exclusions from the amortization base, and using unit-of-production converted to a common unit of measure based on energy (equivalent Mcf)