A pharma company wants to understand their sales trend with the help of different KPI's(Divsion, Region, State, Tier, Year, etc).
Data available- Sales data of 2 years, 2015 and 2016:
Account ID: Customer Id, Account Name: Customer name, Tier: Customer segment, Sales 2015: Sales for the year 2015, Sales 2016: Sales for the year 2016, Units 2015: Number of units sold in 2015, Units 2016: Number of units sold in 2016, etc.