PLEASE SOLVE USING CALCULATOR HP 10 BII +

SAT-Corp. is considering the purchase of a new piece of machinery that will cost them $1,800,695 today (in 2010). This piece of machinery, however, will increase the companys after-tax cash flows by $500,000 in 2011, $750,000 in 2012, $1,000,000 in 2013. If SAT-Corp.s discount rate (WACC) is 10%, then the NPV of making this purchase is

a. $449,305

b. $243,896

c. $25,000

d. -$1,760,000