What are the major chemical components of the cell membrane?

The answer is below

Explanation:

The cell membrane is a biological term that describes a form of cell protection, which lies in the middle of the cell interiors and their outer surface. It is sometimes defined as Plasma Membrane.

Hence, in this case, the correct answer is that the major chemical components of the cell membrane are the following

1.  cholesterol

2.  glycolipids

3.  phospholipids

4.  proteins

After a year of work, 1 week, if you started in the middle of calender year, some employers give a day for for every 10 weeks of work. After 2 years some move up to 2 weeks vacation. The more years with the company the more vacation. Some up to 4 weeks per year after 10 years service. 
Check with other employee's, you should get the same as they do. Also check for a company handbook, if its in writing, they must follow it.