Your cousin vinny remodeled an old beach house last year. vinny put on a new roof and shelled the driveway. this year, he needs to upgrade the electricity and replace most of the plumbing. you asked him, "why don't you just sell? " vinny waved a stack of invoices in your face and said, "i already put this much money into the place! " this statement is an example of the type of judgment error.

The owner of firewood to go is considering buying a hydraulic wood splitter which sells for $50,000. he figures it will cost an additional $100 per cord to purchase and split wood with this machine, while he can sell each cord of split wood for $125. if, for this machine, design capacity is 50 cords per day, effective capacity is 40 cords per day, and actual output is expected to be 32 cords per day, what would be its efficiency?