Aproposed cost-saving device has an installed cost of $835,000. the device will be used in a five-year project but is classified as three-year macrs property for tax purposes. the required initial net working capital investment is $95,000, the marginal tax rate is 25 percent, and the project discount rate is 11 percent. the device has an estimated year 5 salvage value of $145,000. what level of pretax cost savings do we require for this project to be profitable? macrs schedule (do not round intermediate calculations and round your answer to 2 decimal places, e. g., 32.16.)