Fairchild Group's Accountant Prepared the Following Income Statement for the Month

Fairchild Group's accountant prepared the following Income Statement for the month of August.
Fairchild Group
Income Statement
For the month of August
Sales revenue $912,200
Cost of goods sold 601,920
Gross margin 310,080
Less:
Selling expense 164,160
Administrative expense 63,840
Operating income $ 82,080
Required:
A. Calculate the sales revenue percent.
B. Calculate the cost of goods sold percent.
C. Calculate the gross margin percent.
D. Calculate the selling expense percent.
E. Calculate the administrative expense percent.
F. Calculate the operating income percent.