PLEASE ANSWER THIS WITHIN AN HOUR (by 11:30 PM EST) I WILL THUMBS UP IF CORRECT

In 2012, Macky Company discovered an error while preparing its financial statements. A building constructed at the beginning of 2011 costing $1449900 has not been depreciated. The estimated useful life of the building is 30 years with no salvage value. Straight-line depreciation is used. Macky also used straight-line depreciation for tax purposes and properly included depreciation on its tax return. Income tax payable was also reported correctly at a tax rate of 20%. Income before tax and depreciation expenses in 2012 was $550000.

What would be the 2012 net income if depreciation had been recorded properly?

A.) 550000

B.) 401336

C.) 511336

D.) 501670