Sell or process further

great lakes boat company manufactures sailboat hulls at a cost of $4,200 per unit. the hulls are sold to boat yards for $5,200. the company is evaluating the desirability of adding masts, sails, and rigging to the hulls prior to sale at an additional cost of $1,900. the completed sailboats could then be sold for $6,500 each.

calculate the net benefit (cost) of processing the boat hulls into sail boats. assume sales volume will not be affected. use a negative sign with your answer, if appropriate.