7.86*4.6=36.156
Hope this helps
Answer:
Option D.

Step-by-step explanation:
The area of the circular bases is:

Where
is the radius of the circle
Then


The area of the rectangle is:

Where

b is the width of the rectangle and
is the length
Then the area of the rectangle is:


Finally the total area is:


You must first attach the problems with your question.
Ok......... so ignore the pay part, that is not his pay but the 8% comission inclusive of the tax