finance about project

The project is about 7 inch tablet….. I have MSRP-$179.99
OEM-$154.99

Projected annual units sold-6,230,000 (research online showed 2013 annual tablet units sold of all tablet brands was 62,300,000 in 2013 in U.S) we plan to gain 10% market share….I need sale volume and what if analysis. It should be done in excel sheet with formulas…..