Answer:
(1) understated
(2) understaded
(3) unchanged
Step-by-step explanation:
The amount of equivalent units will be higher as the ending inventory of work in process will be above of what it should be.
As we have more equivalent untis the cost per equivalent unit will be lower:

So both, conversion cost and total cost per equivalent untis will e lower than it should be as are getting divided over a larger amount.
the physical amount of units worked during the month and those which are complete will not be affected as the percentage of completion is an accounting tool to calculate the cost not to count the amount of units in possession