Up-Front Bank is now offering a two-year discount loan for 10%. Working backwards, what are the available

Question:

Up-Front Bank is now offering a two-year discount loan for 10%. Working backwards, what are the available funds at the start of the loan and the implied balance at the end of the first year if the total lump sum repayment at the end of the second year is $400,000? What is the EAR on this loan?