please help! answers are incorrect, except for part A i think

Help Required information [The following information applies to the questions displayed below.] Assume that Timberline Corporation has 2019 taxable income of $252,000 for purposes of computing the $179 expense. It acquired the following assets in 2019: (Use MACRS Table 1, Table 2, Table 3, Table 4 and Table 5.) Purchase Asset Date Basis Furniture (7-year) December 1 $ 462, 000 Computer equipment (5-year) February 28 102 , 000 Copier (5-year) July 15 42 , 000 Machinery (7-year) May 22 492 , 000 Total $ 1 , 098, 000 b. What would Timberline's maximum depreciation deduction be for 2019 assuming no bonus depreciation? (Round your intermediate calculations to the nearest whole dollar amount.) Depreciation Deduction (including $179 expense) $ 13,929Help Required information [The following information applies to the questions displayed below.] Assume that Timberline Corporation has 2019 taxable income of $252,000 for purposes of computing the $179 expense. It acquired the following assets in 2019: (Use MACRS Table 1, Table 2, Table 3, Table 4 and Table 5.) Purchase Asset Date Basis Furniture (7-year) December 1 $ 462, 000 Computer equipment (5-year) February 28 102 , 000 Copier (5-year) July 15 42 , 000 Machinery (7-year) May 22 492 , 000 Total $ 1, 098, 000 Required: a-1. What is the maximum amount of $179 expense Timberline may deduct for 2019? a-2. What is Timberline's $179 carryforward to 2020, if any? a-1. $179 expense $ 252,000 a-2. $ 179 carryforward $ 768,000Required information [The following information applies to the questions displayed below.] Assume that Timberline Corporation has 2019 taxable income of $252,000 for purposes of computing the $179 expense. It acquired the following assets in 2019: (Use MACRS Table 1, Table 2, Table 3, Table 4 and Table 5.) Purchase Asset Date Basis Furniture (7-year) December 1 S 462, 000 Computer equipment (5-year) February 28 102 , 000 Copier (5-year) July 15 42, 000 Machinery (7-year) May 22 492 , 000 Total $ 1 , 098 , 000 es c. What would Timberline's maximum depreciation deduction be for 2019 if the machinery cost $3,120,000 instead of $492,000 and assuming no bonus depreciation? (Round your intermediate calculations to the nearest whole dollar amount.) Depreciation deduction (including $179 expense) $ 500,000