Financial Plugin

I would like to see a plugin that allows

1: admin to view all sales and PROFITS for the month and Year
sales from advertising ect (all sales of everything)

2: with option to delete sales from month and or year
ability to print to text file or PDF

3: have expenses such as Business expenses Example paid for web hosting $499
These expenses to be also totaled up for end of month and or year expeses

4: toal profits after TAX, admin can enter the percentage to be calculated for pating TAX

5: View all sales for the month and or year by Graph

6: Save all data for year to System and File ready for printing

7: Delete all data and start again.

any more ideas welcome

thanks