Help creating sale closure charts using date ranges

I want to find the number of similar values contained in a column based on a date range I specify.

I have a data set that's formatted like the following (you can see the full data set at https://docs.google.com/a/advantagep...#gid=828059708 but I've hidden the irrelevant columns and highlight the relevant ones)

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I want to use this data to create two types of graphs. One showing the ratio including all values in the Status column. There are 4 total (Open, Lost, Won, Won-Job Cancelled). I want another which excludes the "open" status from the ratio figure. I've create some images demonstrating what I want to accomplish at https://docs.google.com/a/advantagep...gid=1982435066

Additionally, I want to be able to specificy date ranges for these charts. Specifically 0-30 days from todays date, 30-90 days and older than 90 days.

I want to accomplish this using Google Sheets (the latest version) and know how to use the graph total. It's just creating the data the way I need it which is proving to be the most challenging.

Thanks!