One year ago, your company purchased a machine used in manufacturing for $ 115 comma 000. You have learned that a new machine is available that offers many advantages and you can purchase it for $ 145 comma 000 today. It will be depreciated on a straight-line basis over 10 years and has no salvage value. You expect that the new machine will produce a gross margin (revenues minus operating expenses other than depreciation) of $ 50 comma 000 per year for the next 10 years. The current machine is expected to produce a gross margin of $ 25 comma 000 per year. The current machine is being depreciated on a straight-line basis over a useful life of 11 years, and has no salvage value, so depreciation expense for the current machine is $ 10 comma 455 per year. The market value today of the current machine is $ 50 comma 000. Your company's tax rate is 45 %, and the opportunity cost of capital for this type of equipment is 11 %. Should your company replace its year-old machine?

I have done this problem four times and can't get the answer correct. I think my math is wrong somewhere but I'm not finding it