please help me answer all three questions before 10pm today!! thank you so much

QUESTION 1 This year, PTR Company purchased only one asset, a printing machine on March 3. PTR Company paid $28,000 for the machinery. Calculate the maximum depreciation expense (rounded) for the current year (ignoring $179 and bonus depreciation) : QUESTION 2 ZZZ INC bought a computer (5-year property) on July 31 with a basis of $6,000 and some machinery (7-year property) on November 15 with a basis of $18,000. Calculate the maximum depreciation expense, rounded to a whole number (ignoring $179 and bonus depreciation): QUESTION 3 GemsRUS purchased the rights to extract emeralds from a mine over a ten-year period. They paid $1,250,000 for extraction rights. A geologist estimates that GemsRUS will recover 125,000 carats of emeralds. During the current year, GemsRUS extracted 12,000 carats of emeralds. What is the cost depletion expense for the current year