$1.$ Donavan Company purchased a rare earth metals mine for $$20$ million. The amount of expected recoverable metals is $500,000$ tons. In the current year, the company extracted $$1,000$ tons and sold $700$ tons. Calculate the company$$s cost depletion for the current year.

$2.$ Jessica Company reports gross income of $$781,000$ and other property$-$related expenses of $$507,650$ and uses a depletion rate of $18\%.$ Calculate the depletion allowance for the current year using the percentage depletion method.