I tried the other answers available here, but they were incorrect

Carla Vista, Inc, management is considering purchasing a new machine at a cost of $4,060,000. It expects this equipment to produce cash flows of $811,690,$798,250,$969,930,$1,000,200,$1,165,960, and $1,217,500 over the next six years. If the appropriate discount rate is 15 percent, what is the NPV of this investment? (Enter negative amounts using either a negotive sign preceding the number es. 45 or parentheses es. (45). Do not round discount foctors. Round other intermediate calculations and final answer to 0 decimal places, es. 1.525 \). The NPV is $