Kingston, Inc. management is considering purchasing a new machine at a cost of $4,290,793. They expect this equipment to produce cash flows of $804,224, $824,169, $873,892, $1,026,978, $1,173,054, and $1,211,158 over the next six years. If the appropriate discount rate is 15 percent, what is the NPV of this investment? (Enter negative amounts using negative sign e.g. -45.25. Round answer to 2 decimal places, e.g. 15.25.)