data variable

data variable

 ( make input of data variable in order for the user to change it )

First Quarter Sales (January through March) Projections
Gadgets (expect 100 in January and a monthly 3% growth)
Things (expect 200 in January with sales remaining flat)
Widgets (expect 300 in January and a decrease of 20 items each month)
Please have Excel make the monthly calculations for you for the three products.
Also prepare a PIE chart of the quarterly totals

( ALL in Excel Spread sheet)