Last Year, Green Corporation Incurred the Following Expenditures in the Development

Last year, Green Corporation incurred the following expenditures in the development of a new plant process:
During the current year, benefits from the project began being realized in May. If Green Corporation elects a 60 month deferral and amortization period, determine the amount of the deduction for the current year.

A) $48,000
B) $50,400
C) $54,667
D) $57,067
E) None of the above