On April 2 2011 Idaho Mining Co. pays $3769460 for an ore deposit containing 1447000 tons. The company installs machinery in the mine costing $191200
with an estimated seven-year life and no salvage value. The machinery will be abandoned when the ore is completely mined. Idaho begins mining on May 1 2011
and mines and sells 156500 tons of ore during the remaining eight months of 2011.
Prepare the December 31 2011 entries to record the ore deposit depletion and then the mining machinery depreciation. Mining machinery depreciation should be
in proportion to the mine%u2019s depletion