certain production equipment used by dayton mechanical has become obsolete relative to current technology. the company is considering whether it should keep or replace its existing equipment. to aid in this decision, the company’s controller gathered the following data: old equipment new equipment original cost $350,000 $396,000 remaining life 5 years 5 years accumulated depreciation $158,000 $0 annual cash operating costs $64,000 $16,000 current salvage value $88,000 na salvage value in five years $0 $0 a. what is the total dollar amount of any sunk costs in the data.