Compute a 3-period moving average for period 4

Activity-based costing refines the cost allocation process even more than traditional allocation costing systems

Indicate whether the statement is true or false

A maintenance worker maintains an alibi sheet of all work activities performed in an 8 hour shift. If the work standard is such that 90% efficiency is expected, what is the actual amount of time that should be documented?

A) 8.9 hours B) 111% C) 7.2 hours D) 0.8 hours