1. Management would like to decide whether they should discontinue any products. Any product which has had 50% less sales over the previous year should be discontinued.Are there any products that they should discontinued? List the product(s) and your recommendation in the worksheet. Which 3 products had the highest increase in sales?
   1. Change the tab called 2017 vs 2018 to Q2 - 2017 vs. 2018 and move the tab to the second position.
   2. Add a new column to calculate the percentage change from 2017 to 2018. Percentage change is computed using the following formula: (current year saleslast year sales) / (last year sales). Represent the numbers as percentages.
   3. Calculate the total, average, and standard deviation for each year.
   4. Format the title at the top so it stands out. Add distinct formatting to the column and row headings.Format the data in the cells to show currency.
   5. Use conditional formatting to highlight the Percent Change cells that have a negative percent change in red.
   6. Use conditional formatting to highlight the top 3 cells that had the highest increase in green.
   7. make a pie chart showing the contribution of each product to 2018 total sales. Make sure the percentages are displayed on the chart and the product names are displayed in the legend. Add a title to the chart.
   8. Which product was the highest contributor in 2018? (write the answer directly into the worksheet).

Office Supply Company Quarterly Product Sales 2017 and 2018
Product Name	2017	2018	% Change
APPLIANCES	$1,168,254.70	$43,987.70	-96%
BINDERS AND BINDER ACCESSORIES	$56,557.60	$64,658.60	14%
BOOKCASES	$11,153.55	$14,187.55	27%
CHAIRS & CHAIRMATS	$91,493.80	$93,908.80	3%
COMPUTER PERIPHERALS	$34,539.70	$39,655.70	15%
COPIERS AND FAX	$18,621.79	$16,724.79	-10%
ENVELOPES	$5,364.74	$3,127.74	-42%
LABELS	$550.00	$751.00	37%
OFFICE FURNISHINGS	$59,738.64	$61,445.64	3%
OFFICE MACHINES	$125,411.79	$132,526.79	6%
PAPER	$20,434.31	$24,042.31	18%
PENS & ART SUPPLIES	$12,033.55	$8,028.55	-33%
RUBBER BANDS	$6,890.59	$1,259.59	-82%
SCISSORS, RULERS AND TRIMMERS	$3,299.05	$2,499.03	-24%
STORAGE & ORGANIZATION	$38,796.77	$53,796.77	39%
TABLES	$55,314.29	$56,814.29	3%
TELEPHONES AND COMMUNICATION	$85,759.42	$95,912.42	12%
Total	$1,794,214.29	$713,327.27
Average	$105,542.02	$41,960.43
Standard Deviation	$276,196.74	$39,033.09