Calculating initial investment DuPree Coffee Roasters, Inc., wishos to expand and modernize is faclitios. The installod cost of a proposed computer-controllod automatic-leed roaster will be $139,000. The firm has a chance to sell its 4-year-old roaster for $36,000. The existing roaster originally cost $60,500 and was being depreciated straight-line over 7 years. DuPree pays taxes at a case of 40% What is the book value of the existing roaster? b. Calculate the atter-tax proceeds of the sale of the existing roaster. c. Calculate the change in net working capital using the following figures: d. Calculate the initial imvestmont associated with the proposed new roaster, . The remaining book value of the existing rosster is $ (Flound to the nearest doliac.) b. The after-tax proceeds of the sale of the existing roaster will be $ (Round to the nearest dollar.) 4. The change in net working capital wil be 4 (Round to the nearest dolar.) d. The initial investment associated with the proposed new roaster will be $ (Round to the nearest dollar.)