How to perform calculations a-d in excel

a. create a monthly aggregation of sales data input product Amonthly sales in February 2012 input product B montly sales in December 2019 input product C montly sales in April 2017 b. calculate average monthly price what was product A average price in February 2012? what was product B average price in December 2019? what was product Caverage price in April 2017? which month is the discount month for product A? which month is the discount month for product B? which month is the discount month for product C? c. percentage returns by month input product A percentage returns for sales in February 2012 input product B percentage returns for sales in December 2019 input product C percentage returns for sales in April 2017 d. percentage warrantry exercised by month input product A percentage warranty exercises for sales in February 2012 input product B percentage warranty exercises for sales in December 2019 input product C percentage warranty exercises for sales in April 2017 a. create a monthly aggregation of sales data input product Amonthly sales in February 2012 input product B montly sales in December 2019 input product C montly sales in April 2017 b. calculate average monthly price what was product A average price in February 2012? what was product B average price in December 2019? what was product Caverage price in April 2017? which month is the discount month for product A? which month is the discount month for product B? which month is the discount month for product C? c. percentage returns by month input product A percentage returns for sales in February 2012 input product B percentage returns for sales in December 2019 input product C percentage returns for sales in April 2017 d. percentage warrantry exercised by month input product A percentage warranty exercises for sales in February 2012 input product B percentage warranty exercises for sales in December 2019 input product C percentage warranty exercises for sales in April 2017