If the after-tax ROR is 11.4% and the corporate Te is 39%, the approximate before-tax rate of return is closest to: (a) 6.8% (b) 15.4% (c) 18.7% (d ) 19.7%

If specific duty is $2 per dozen and ad valorem duty is 20%, find the total duty on 12 dozen padlocks valued at $650.

Raytheon wishes to use an automated environmental chamber in the manufacture of electronic components. The chamber is to be used for rigorous reliability testing and burn-in. It is installed for $800,000, $350,000 of which is borrowed at 11% for 5 years, and will have a salvage value of $150,000 after 8 years. Its use will create an opportunity to increase sales by $650,000 per year and will have operating expenses of $250,000 per year. Corporate income taxes are 40%. Develop tables using a spreadsheet to determine the ATCF for each year and the after-tax PW, AW, IRR, and ERR, if the chamber is kept for 8 years. After-tax MARR is 10%. Use 7 years class depreciation for MARCS

work on part C