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.
Difference between the amount of labor time that should have been used and the labor that was actually used, multiplied by the standard rate. For example, assume that the standard cost of direct labor per unit of product A is 2.5 hours x $14 = $35.Assume further that during the month of March the company recorded 4500 hours of direct labor time. The actual cost of this labor time was $64,800, or an average of $14.40 per hour.ifference between the amount of labor time that should have been used and the labor that was actually used, multiplied by the standard rate. For example, assume that the standard cost of direct labor per unit of product A is 2.5 hours x $14 = $35.