River Corporation wants to purchase a new machine for its plant. The new machine is expected to generate annual after tax cash savings of $300,000 for four years. The machine will have no residual value at the end of its useful life. The company has a required rate of return of 12% and a tax rate of 35%. What is the maximum dollar amount River Corporation would be willing to spend for the new machine? Round your answer to the nearest dollar. a. $300,000 b. $336,000 c. $592,283 d. $911,205 e. $683,404 f. $599,084 g. $672,014 h. None of the above.