Serge M. answered 12/14/16
Tutor
5
(11)
PhD and CPE with 40 years of experience teaching accounting
1.
Sales - - $259,800
Less CGS -- 121.800
Gross margin . . 138,000
Gross margin rate is 138,000 / 259,800 = 53%
2.
Gross profit rate: 288,579 / 945,880 = 30.5%
I don't understand why you are asking for these simple calculations.