Both inlays and onlays are pre-formed in a lab before being bonded to the damaged or decayed tooth. The difference of use depends on the amount of tooth structure that has been lost to wear or decay. Your dentist will help you decide which is most appropriate for you.
Predetermined overhead rate is a rate used to charge overhead cost to jobs in production; the rate is established in advance for each period by use of estimates of total manufacturing overhead cost and of the total allocation base for the period.redetermined overhead rate is a rate used to charge overhead cost to jobs in production; the rate is established in advance for each period by use of estimates of total manufacturing overhead cost and of the total allocation base for the period.
The total overhead variance is the difference between the. actual overhead costs and overhead costs applied based on standard hours allowed. The predetermined overhead rate for Zane Production Company is $10, comprised of a variable overhead rate of $6 and a fixed rate of $4. The amount of budgeted overhead costs at normal capacity of $300,000 was divided by normal capacity of 30,000 direct labor hours, to arrive at the predetermined overhead rate of $10.