Answer:
a. units completed by a production department in the period.
Explanation:
An equivalent unit of production -
It is the amount of work which is done by the manufactures on the units of the output , which are completed over the specified time period .
It includes the fully completed units as well as the partially completed units .
These equivalent units are useful for the production cost report of the company .
Hence , the correct statement for equivalent unit of production is , ( a ) .