Under what conditions would you choose to use simple exponential smoothing, Holt’s exponential smoothing, or Winters’ exponential smoothing? Are these the only smoothing models possible to construct? If there are other possible models, suggest one that might be useful.

Mordica company identifies three activities in its manufacturing process: machine setups, machining, and inspections. estimated annual overhead cost for each activity is $156,960, $382,800, and $84,640, respectively. the cost driver for each activity and the expected annual usage are number of setups 2,180, machine hours 25,520, and number of inspections 1,840. compute the overhead rate for each activity. machine setups $ per setup machining $ per machine hour inspections $ per inspection