Alright so I have an issue I am trying to figure out and have had no luck for the last week. I am a developer and make apps for many different mobile platforms. I get a report each month which has a list of the time and date a purchase has occurred. My question is how can I go through the data and put together how many purchases I get a day. Below is what I have and what I want to get returned. Column A are the dates purchases occur, column B are the dates for the length of time I want to look at and column C are the amount of purchases I get per day. Some days I get 0 purchases some I get 3. Now the below data is just an example I have data from 4/19/2011 till today 2/2/2012. I need to do this because I would eventually like the make a bar graph from that time frame to see graphically how many purchases I get each day. If any one can help me out to find a formula that will work to do this it would be SOOOOO helpful. Iv looked everywhere and have had no luck. Thanks in advance if you can help me out! I also attached the spreed sheet if any one doesn't understand what I am trying to do.
January 2012 - Report.xls

A B C
1/31/2012 1/31/2012 1
1/30/2012 1/30/2012 1
1/28/2012 1/29/2012 0
1/28/2012 1/28/2012 3
1/28/2012 1/27/2012 1
1/28/2012 1/26/2012 1
1/27/2012 1/25/2012 0
1/26/2012 1/24/2012 1
1/24/2012