Ridgewood, Co. estimated the following annual hours and costs:
|
Expected annual direct labor hours
|
42,000
|
|
Expected annual direct labor cost
|
$600,000
|
|
Expected machine hours
|
21,000
|
|
Expected material cost for the year
|
$480,000
|
|
Expected manufacturing overhead
|
$840,000
|
Calculate predetermined overhead allocation rates using each of the four possible allocation bases provided.