Last year, Raleigh Corporation incurred the following expenditures in the development of a new plant process: Salaries $200,000 Materials 80,000 Utilities 10,000 Quality control testing costs 30,000 Management study costs 5,000 Depreciation of equipment 15,000 During the current year, benefits from the project began being realized in March. If Raleigh Corporation elects a 60-month deferral and amortization period, the amount of the deduction for the current year is: a.$61,000. b.$200,000. c.$55,833. d.$56,667. e.$50,833.