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: $\begin{array}{lr}\text { Salaries } & \$ 250,000 \\\text { Materials } & 90,000 \\\text { Utilities } & 20,000 \\\text { Quality control testing costs } & 40,000 \\\text { Management study costs } & 5,000 \\\text { Depreciation of equipment } & 18,000\end{array}$ 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 these