Along with the demand of more books, the movable printing technology was accordingly invented, which is a significant contribution made by china to the human beings. Inexpensive printed books became widely availabe in China during Song dynasty.
Tip. 1  You may also calculate the overhead rate based on direct labor hours. 2  Divide the overhead costs by the direct labor hours over the same measurement period. 3  In the example, the overhead rate is $20 for each direct labor hour ($2,000/100).ou may estimate the costs using historical data and then adjust for inflation. For example, if your plant uses an average 100 direct labor hours per day at $15 an hour and you expect a two percent inflation rate in the upcoming year, your direct labor costs are $1,530 (1.02 x 100 x $15) per day. Step 2.
For example, if the average labor rate is $15 per hour and the standard hours per unit for an item is 30 minutes, the direct labor cost allocated to each item is $7.50.he objective of using average labor rates is to facilitate cost calculations. The formula -- average hourly labor rate multiplied by standard labor hours per unit -- is used to arrive at a standard labor cost per unit, which then becomes the allocation base.