************ need help with this gross profit question show calculations thanks ***********

Group enterprise is worried about their profits. They want you to look into their gross profit for year 2019 and 2020

Net sales. $ 308,790. year 2019 $ 29079 year 2020

Cost of goods sold $272,310 year 2019 $ 202663 year 2020

a,calculate the gross profit from sales each year

b.calculate gross profit ratio for each year. provide calculations.

c.Which year was the gross profit ratio good for group enterprise